Home / 81,650,832.60-122,476,248.90-36,301,200.60

Finding the Fourth Proportional to 81,650,832.60, 122,476,248.90 and 36,301,200.60

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Solution

The fourth proportional to 81,650,832.60, 122,476,248.90 and 36,301,200.60 is: 54,451,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,832.60 : 122,476,248.90 = 36,301,200.60 : x
  2. Step 2: Convert to fraction form
    81,650,832.60/122,476,248.90 = 36,301,200.60/x
  3. Step 3: Cross multiply
    81,650,832.60x = 122,476,248.90 × 36,301,200.60
  4. Step 4: Simplify right side
    81,650,832.60x = 4,446,034,880,054,429.50
  5. Step 5: Solve for x
    x = 4,446,034,880,054,429.50/81,650,832.60
  6. Step 6: Final answer
    x = 54,451,800.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.