Home / 80,794,144.52-111,498,670.82-47,782,691.72

Finding the Fourth Proportional to 80,794,144.52, 111,498,670.82 and 47,782,691.72

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Solution

The fourth proportional to 80,794,144.52, 111,498,670.82 and 47,782,691.72 is: 65,941,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,794,144.52 : 111,498,670.82 = 47,782,691.72 : x
  2. Step 2: Convert to fraction form
    80,794,144.52/111,498,670.82 = 47,782,691.72/x
  3. Step 3: Cross multiply
    80,794,144.52x = 111,498,670.82 × 47,782,691.72
  4. Step 4: Simplify right side
    80,794,144.52x = 5,327,706,614,543,784
  5. Step 5: Solve for x
    x = 5,327,706,614,543,784/80,794,144.52
  6. Step 6: Final answer
    x = 65,941,741.78

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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.