Home / 89,712,281.28-123,802,998.12-48,459,174

Finding the Fourth Proportional to 89,712,281.28, 123,802,998.12 and 48,459,174

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Solution

The fourth proportional to 89,712,281.28, 123,802,998.12 and 48,459,174 is: 66,873,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,281.28 : 123,802,998.12 = 48,459,174 : x
  2. Step 2: Convert to fraction form
    89,712,281.28/123,802,998.12 = 48,459,174/x
  3. Step 3: Cross multiply
    89,712,281.28x = 123,802,998.12 × 48,459,174
  4. Step 4: Simplify right side
    89,712,281.28x = 5,999,391,027,618,753
  5. Step 5: Solve for x
    x = 5,999,391,027,618,753/89,712,281.28
  6. Step 6: Final answer
    x = 66,873,687.10

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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.