Home / 87,490,414.60-131,235,621.90-82,451,566.60

Finding the Fourth Proportional to 87,490,414.60, 131,235,621.90 and 82,451,566.60

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Solution

The fourth proportional to 87,490,414.60, 131,235,621.90 and 82,451,566.60 is: 123,677,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,490,414.60 : 131,235,621.90 = 82,451,566.60 : x
  2. Step 2: Convert to fraction form
    87,490,414.60/131,235,621.90 = 82,451,566.60/x
  3. Step 3: Cross multiply
    87,490,414.60x = 131,235,621.90 × 82,451,566.60
  4. Step 4: Simplify right side
    87,490,414.60x = 10,820,582,619,380,268
  5. Step 5: Solve for x
    x = 10,820,582,619,380,268/87,490,414.60
  6. Step 6: Final answer
    x = 123,677,349.90

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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.