Home / 87,442,007.20-131,163,010.80-26,857,733.20

Finding the Fourth Proportional to 87,442,007.20, 131,163,010.80 and 26,857,733.20

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Solution

The fourth proportional to 87,442,007.20, 131,163,010.80 and 26,857,733.20 is: 40,286,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,442,007.20 : 131,163,010.80 = 26,857,733.20 : x
  2. Step 2: Convert to fraction form
    87,442,007.20/131,163,010.80 = 26,857,733.20/x
  3. Step 3: Cross multiply
    87,442,007.20x = 131,163,010.80 × 26,857,733.20
  4. Step 4: Simplify right side
    87,442,007.20x = 3,522,741,149,775,118.50
  5. Step 5: Solve for x
    x = 3,522,741,149,775,118.50/87,442,007.20
  6. Step 6: Final answer
    x = 40,286,599.80

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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.