Home / 103,581,115,464.96-142,940,430,517.20-57,856,041,524.76

Finding the Fourth Proportional to 103,581,115,464.96, 142,940,430,517.20 and 57,856,041,524.76

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Solution

The fourth proportional to 103,581,115,464.96, 142,940,430,517.20 and 57,856,041,524.76 is: 79,840,494,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,581,115,464.96 : 142,940,430,517.20 = 57,856,041,524.76 : x
  2. Step 2: Convert to fraction form
    103,581,115,464.96/142,940,430,517.20 = 57,856,041,524.76/x
  3. Step 3: Cross multiply
    103,581,115,464.96x = 142,940,430,517.20 × 57,856,041,524.76
  4. Step 4: Simplify right side
    103,581,115,464.96x = 8,269,967,483,570,195,791,872
  5. Step 5: Solve for x
    x = 8,269,967,483,570,195,791,872/103,581,115,464.96
  6. Step 6: Final answer
    x = 79,840,494,538.48

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Find fourth proportional to 51,790,557,732.48, 71,470,215,258.60 and 28,928,020,762.38
Half scale
Find fourth proportional to 207,162,230,929.92, 285,880,861,034.40 and 115,712,083,049.52
Double scale
Find fourth proportional to 103,581,115,465.96, 142,940,430,518.58 and 57,856,041,525.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.