Home / 87,376,588.80-131,112,122.40-38,861,930.40

Finding the Fourth Proportional to 87,376,588.80, 131,112,122.40 and 38,861,930.40

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Solution

The fourth proportional to 87,376,588.80, 131,112,122.40 and 38,861,930.40 is: 58,313,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,376,588.80 : 131,112,122.40 = 38,861,930.40 : x
  2. Step 2: Convert to fraction form
    87,376,588.80/131,112,122.40 = 38,861,930.40/x
  3. Step 3: Cross multiply
    87,376,588.80x = 131,112,122.40 × 38,861,930.40
  4. Step 4: Simplify right side
    87,376,588.80x = 5,095,270,175,305,081
  5. Step 5: Solve for x
    x = 5,095,270,175,305,081/87,376,588.80
  6. Step 6: Final answer
    x = 58,313,905.88

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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.