Home / 87,488,142.20-131,232,213.30-73,458,099.80

Finding the Fourth Proportional to 87,488,142.20, 131,232,213.30 and 73,458,099.80

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Solution

The fourth proportional to 87,488,142.20, 131,232,213.30 and 73,458,099.80 is: 110,187,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,142.20 : 131,232,213.30 = 73,458,099.80 : x
  2. Step 2: Convert to fraction form
    87,488,142.20/131,232,213.30 = 73,458,099.80/x
  3. Step 3: Cross multiply
    87,488,142.20x = 131,232,213.30 × 73,458,099.80
  4. Step 4: Simplify right side
    87,488,142.20x = 9,640,069,021,566,286
  5. Step 5: Solve for x
    x = 9,640,069,021,566,286/87,488,142.20
  6. Step 6: Final answer
    x = 110,187,149.70

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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.