Home / 99,613,689.41-149,465,934.80-51,125,593.61

Finding the Fourth Proportional to 99,613,689.41, 149,465,934.80 and 51,125,593.61

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Solution

The fourth proportional to 99,613,689.41, 149,465,934.80 and 51,125,593.61 is: 76,711,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,613,689.41 : 149,465,934.80 = 51,125,593.61 : x
  2. Step 2: Convert to fraction form
    99,613,689.41/149,465,934.80 = 51,125,593.61/x
  3. Step 3: Cross multiply
    99,613,689.41x = 149,465,934.80 × 51,125,593.61
  4. Step 4: Simplify right side
    99,613,689.41x = 7,641,534,641,123,557
  5. Step 5: Solve for x
    x = 7,641,534,641,123,557/99,613,689.41
  6. Step 6: Final answer
    x = 76,711,691.80

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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.