Home / 87,425,170.80-131,025,781.80-67,129,810.80

Finding the Fourth Proportional to 87,425,170.80, 131,025,781.80 and 67,129,810.80

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Solution

The fourth proportional to 87,425,170.80, 131,025,781.80 and 67,129,810.80 is: 100,608,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,425,170.80 : 131,025,781.80 = 67,129,810.80 : x
  2. Step 2: Convert to fraction form
    87,425,170.80/131,025,781.80 = 67,129,810.80/x
  3. Step 3: Cross multiply
    87,425,170.80x = 131,025,781.80 × 67,129,810.80
  4. Step 4: Simplify right side
    87,425,170.80x = 8,795,735,942,156,083
  5. Step 5: Solve for x
    x = 8,795,735,942,156,083/87,425,170.80
  6. Step 6: Final answer
    x = 100,608,736.15

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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.