Home / 87,067,693.82-120,149,809.41-47,375,388.44

Finding the Fourth Proportional to 87,067,693.82, 120,149,809.41 and 47,375,388.44

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Solution

The fourth proportional to 87,067,693.82, 120,149,809.41 and 47,375,388.44 is: 65,376,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,067,693.82 : 120,149,809.41 = 47,375,388.44 : x
  2. Step 2: Convert to fraction form
    87,067,693.82/120,149,809.41 = 47,375,388.44/x
  3. Step 3: Cross multiply
    87,067,693.82x = 120,149,809.41 × 47,375,388.44
  4. Step 4: Simplify right side
    87,067,693.82x = 5,692,143,891,790,717
  5. Step 5: Solve for x
    x = 5,692,143,891,790,717/87,067,693.82
  6. Step 6: Final answer
    x = 65,376,072.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.