Home / 87,067,242.42-120,149,192.27-47,374,939.29

Finding the Fourth Proportional to 87,067,242.42, 120,149,192.27 and 47,374,939.29

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Solution

The fourth proportional to 87,067,242.42, 120,149,192.27 and 47,374,939.29 is: 65,375,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,067,242.42 : 120,149,192.27 = 47,374,939.29 : x
  2. Step 2: Convert to fraction form
    87,067,242.42/120,149,192.27 = 47,374,939.29/x
  3. Step 3: Cross multiply
    87,067,242.42x = 120,149,192.27 × 47,374,939.29
  4. Step 4: Simplify right side
    87,067,242.42x = 5,692,060,689,533,787
  5. Step 5: Solve for x
    x = 5,692,060,689,533,787/87,067,242.42
  6. Step 6: Final answer
    x = 65,375,456.16

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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.