Home / 87,399,137.60-131,248,005.60-57,240,699.20

Finding the Fourth Proportional to 87,399,137.60, 131,248,005.60 and 57,240,699.20

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Solution

The fourth proportional to 87,399,137.60, 131,248,005.60 and 57,240,699.20 is: 85,958,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399,137.60 : 131,248,005.60 = 57,240,699.20 : x
  2. Step 2: Convert to fraction form
    87,399,137.60/131,248,005.60 = 57,240,699.20/x
  3. Step 3: Cross multiply
    87,399,137.60x = 131,248,005.60 × 57,240,699.20
  4. Step 4: Simplify right side
    87,399,137.60x = 7,512,727,609,149,516
  5. Step 5: Solve for x
    x = 7,512,727,609,149,516/87,399,137.60
  6. Step 6: Final answer
    x = 85,958,829.98

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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.