Home / 70,669,990.90-106,004,986.35-59,416,563.70

Finding the Fourth Proportional to 70,669,990.90, 106,004,986.35 and 59,416,563.70

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Solution

The fourth proportional to 70,669,990.90, 106,004,986.35 and 59,416,563.70 is: 89,124,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,669,990.90 : 106,004,986.35 = 59,416,563.70 : x
  2. Step 2: Convert to fraction form
    70,669,990.90/106,004,986.35 = 59,416,563.70/x
  3. Step 3: Cross multiply
    70,669,990.90x = 106,004,986.35 × 59,416,563.70
  4. Step 4: Simplify right side
    70,669,990.90x = 6,298,452,023,982,405
  5. Step 5: Solve for x
    x = 6,298,452,023,982,405/70,669,990.90
  6. Step 6: Final answer
    x = 89,124,845.55

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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.