Home / 137,659,841.64-206,488,843.74-55,777,511.88

Finding the Fourth Proportional to 137,659,841.64, 206,488,843.74 and 55,777,511.88

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Solution

The fourth proportional to 137,659,841.64, 206,488,843.74 and 55,777,511.88 is: 83,665,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,659,841.64 : 206,488,843.74 = 55,777,511.88 : x
  2. Step 2: Convert to fraction form
    137,659,841.64/206,488,843.74 = 55,777,511.88/x
  3. Step 3: Cross multiply
    137,659,841.64x = 206,488,843.74 × 55,777,511.88
  4. Step 4: Simplify right side
    137,659,841.64x = 11,517,433,934,795,314
  5. Step 5: Solve for x
    x = 11,517,433,934,795,314/137,659,841.64
  6. Step 6: Final answer
    x = 83,665,895.57

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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.