Home / 87,703,721.76-131,510,253.60-38,499,436.80

Finding the Fourth Proportional to 87,703,721.76, 131,510,253.60 and 38,499,436.80

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Solution

The fourth proportional to 87,703,721.76, 131,510,253.60 and 38,499,436.80 is: 57,729,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,703,721.76 : 131,510,253.60 = 38,499,436.80 : x
  2. Step 2: Convert to fraction form
    87,703,721.76/131,510,253.60 = 38,499,436.80/x
  3. Step 3: Cross multiply
    87,703,721.76x = 131,510,253.60 × 38,499,436.80
  4. Step 4: Simplify right side
    87,703,721.76x = 5,063,070,697,025,172
  5. Step 5: Solve for x
    x = 5,063,070,697,025,172/87,703,721.76
  6. Step 6: Final answer
    x = 57,729,257.04

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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.