Home / 87,410,145.60-131,264,517.60-57,251,707.20

Finding the Fourth Proportional to 87,410,145.60, 131,264,517.60 and 57,251,707.20

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Solution

The fourth proportional to 87,410,145.60, 131,264,517.60 and 57,251,707.20 is: 85,975,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410,145.60 : 131,264,517.60 = 57,251,707.20 : x
  2. Step 2: Convert to fraction form
    87,410,145.60/131,264,517.60 = 57,251,707.20/x
  3. Step 3: Cross multiply
    87,410,145.60x = 131,264,517.60 × 57,251,707.20
  4. Step 4: Simplify right side
    87,410,145.60x = 7,515,117,727,384,447
  5. Step 5: Solve for x
    x = 7,515,117,727,384,447/87,410,145.60
  6. Step 6: Final answer
    x = 85,975,348.47

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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.