Home / 89,712,248.50-123,802,952.79-48,459,141.28

Finding the Fourth Proportional to 89,712,248.50, 123,802,952.79 and 48,459,141.28

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Solution

The fourth proportional to 89,712,248.50, 123,802,952.79 and 48,459,141.28 is: 66,873,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,248.50 : 123,802,952.79 = 48,459,141.28 : x
  2. Step 2: Convert to fraction form
    89,712,248.50/123,802,952.79 = 48,459,141.28/x
  3. Step 3: Cross multiply
    89,712,248.50x = 123,802,952.79 × 48,459,141.28
  4. Step 4: Simplify right side
    89,712,248.50x = 5,999,384,780,131,781
  5. Step 5: Solve for x
    x = 5,999,384,780,131,781/89,712,248.50
  6. Step 6: Final answer
    x = 66,873,641.90

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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.