Home / 87,405,998.80-131,004,022.20-36,261,691.60

Finding the Fourth Proportional to 87,405,998.80, 131,004,022.20 and 36,261,691.60

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Solution

The fourth proportional to 87,405,998.80, 131,004,022.20 and 36,261,691.60 is: 54,348,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,405,998.80 : 131,004,022.20 = 36,261,691.60 : x
  2. Step 2: Convert to fraction form
    87,405,998.80/131,004,022.20 = 36,261,691.60/x
  3. Step 3: Cross multiply
    87,405,998.80x = 131,004,022.20 × 36,261,691.60
  4. Step 4: Simplify right side
    87,405,998.80x = 4,750,427,451,375,954
  5. Step 5: Solve for x
    x = 4,750,427,451,375,954/87,405,998.80
  6. Step 6: Final answer
    x = 54,348,986.53

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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.