Home / 87,613,337.84-120,943,635.56-54,589,902.90

Finding the Fourth Proportional to 87,613,337.84, 120,943,635.56 and 54,589,902.90

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Solution

The fourth proportional to 87,613,337.84, 120,943,635.56 and 54,589,902.90 is: 75,357,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,613,337.84 : 120,943,635.56 = 54,589,902.90 : x
  2. Step 2: Convert to fraction form
    87,613,337.84/120,943,635.56 = 54,589,902.90/x
  3. Step 3: Cross multiply
    87,613,337.84x = 120,943,635.56 × 54,589,902.90
  4. Step 4: Simplify right side
    87,613,337.84x = 6,602,301,321,593,387
  5. Step 5: Solve for x
    x = 6,602,301,321,593,387/87,613,337.84
  6. Step 6: Final answer
    x = 75,357,262.77

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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.