Home / 87,437,044.72-120,663,706.28-47,744,851.24

Finding the Fourth Proportional to 87,437,044.72, 120,663,706.28 and 47,744,851.24

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Solution

The fourth proportional to 87,437,044.72, 120,663,706.28 and 47,744,851.24 is: 65,888,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,437,044.72 : 120,663,706.28 = 47,744,851.24 : x
  2. Step 2: Convert to fraction form
    87,437,044.72/120,663,706.28 = 47,744,851.24/x
  3. Step 3: Cross multiply
    87,437,044.72x = 120,663,706.28 × 47,744,851.24
  4. Step 4: Simplify right side
    87,437,044.72x = 5,761,070,706,405,654
  5. Step 5: Solve for x
    x = 5,761,070,706,405,654/87,437,044.72
  6. Step 6: Final answer
    x = 65,888,213.91

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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.