Home / 80,542,934.42-111,145,664.30-47,055,517.52

Finding the Fourth Proportional to 80,542,934.42, 111,145,664.30 and 47,055,517.52

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Solution

The fourth proportional to 80,542,934.42, 111,145,664.30 and 47,055,517.52 is: 64,934,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542,934.42 : 111,145,664.30 = 47,055,517.52 : x
  2. Step 2: Convert to fraction form
    80,542,934.42/111,145,664.30 = 47,055,517.52/x
  3. Step 3: Cross multiply
    80,542,934.42x = 111,145,664.30 × 47,055,517.52
  4. Step 4: Simplify right side
    80,542,934.42x = 5,230,016,752,949,683
  5. Step 5: Solve for x
    x = 5,230,016,752,949,683/80,542,934.42
  6. Step 6: Final answer
    x = 64,934,519.59

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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.