Home / 102,909,545.28-142,019,166.24-56,501,755.20

Finding the Fourth Proportional to 102,909,545.28, 142,019,166.24 and 56,501,755.20

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Solution

The fourth proportional to 102,909,545.28, 142,019,166.24 and 56,501,755.20 is: 77,974,614.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,909,545.28 : 142,019,166.24 = 56,501,755.20 : x
  2. Step 2: Convert to fraction form
    102,909,545.28/142,019,166.24 = 56,501,755.20/x
  3. Step 3: Cross multiply
    102,909,545.28x = 142,019,166.24 × 56,501,755.20
  4. Step 4: Simplify right side
    102,909,545.28x = 8,024,332,164,600,585
  5. Step 5: Solve for x
    x = 8,024,332,164,600,585/102,909,545.28
  6. Step 6: Final answer
    x = 77,974,614.92

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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.