Home / 87,123,553.93-120,225,940.57-47,957,680.83

Finding the Fourth Proportional to 87,123,553.93, 120,225,940.57 and 47,957,680.83

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Solution

The fourth proportional to 87,123,553.93, 120,225,940.57 and 47,957,680.83 is: 66,179,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,123,553.93 : 120,225,940.57 = 47,957,680.83 : x
  2. Step 2: Convert to fraction form
    87,123,553.93/120,225,940.57 = 47,957,680.83/x
  3. Step 3: Cross multiply
    87,123,553.93x = 120,225,940.57 × 47,957,680.83
  4. Step 4: Simplify right side
    87,123,553.93x = 5,765,757,285,853,403
  5. Step 5: Solve for x
    x = 5,765,757,285,853,403/87,123,553.93
  6. Step 6: Final answer
    x = 66,179,087.35

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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.