Home / 137,659,823.62-206,488,816.82-55,777,493.86

Finding the Fourth Proportional to 137,659,823.62, 206,488,816.82 and 55,777,493.86

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Solution

The fourth proportional to 137,659,823.62, 206,488,816.82 and 55,777,493.86 is: 83,665,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,659,823.62 : 206,488,816.82 = 55,777,493.86 : x
  2. Step 2: Convert to fraction form
    137,659,823.62/206,488,816.82 = 55,777,493.86/x
  3. Step 3: Cross multiply
    137,659,823.62x = 206,488,816.82 × 55,777,493.86
  4. Step 4: Simplify right side
    137,659,823.62x = 11,517,428,712,336,214
  5. Step 5: Solve for x
    x = 11,517,428,712,336,214/137,659,823.62
  6. Step 6: Final answer
    x = 83,665,868.58

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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.