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Finding the Fourth Proportional to 224,986,562.40, 337,479,843.60 and 156,906,127.20

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Solution

The fourth proportional to 224,986,562.40, 337,479,843.60 and 156,906,127.20 is: 235,359,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,986,562.40 : 337,479,843.60 = 156,906,127.20 : x
  2. Step 2: Convert to fraction form
    224,986,562.40/337,479,843.60 = 156,906,127.20/x
  3. Step 3: Cross multiply
    224,986,562.40x = 337,479,843.60 × 156,906,127.20
  4. Step 4: Simplify right side
    224,986,562.40x = 52,952,655,267,337,704
  5. Step 5: Solve for x
    x = 52,952,655,267,337,704/224,986,562.40
  6. Step 6: Final answer
    x = 235,359,190.80

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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.