Home / 137,659,820.61-206,488,812.33-55,777,490.85

Finding the Fourth Proportional to 137,659,820.61, 206,488,812.33 and 55,777,490.85

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Solution

The fourth proportional to 137,659,820.61, 206,488,812.33 and 55,777,490.85 is: 83,665,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,659,820.61 : 206,488,812.33 = 55,777,490.85 : x
  2. Step 2: Convert to fraction form
    137,659,820.61/206,488,812.33 = 55,777,490.85/x
  3. Step 3: Cross multiply
    137,659,820.61x = 206,488,812.33 × 55,777,490.85
  4. Step 4: Simplify right side
    137,659,820.61x = 11,517,427,840,363,944
  5. Step 5: Solve for x
    x = 11,517,427,840,363,944/137,659,820.61
  6. Step 6: Final answer
    x = 83,665,864.08

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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.