Home / 137,896,245.10-206,844,367.65-80,453,377.90

Finding the Fourth Proportional to 137,896,245.10, 206,844,367.65 and 80,453,377.90

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Solution

The fourth proportional to 137,896,245.10, 206,844,367.65 and 80,453,377.90 is: 120,680,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,896,245.10 : 206,844,367.65 = 80,453,377.90 : x
  2. Step 2: Convert to fraction form
    137,896,245.10/206,844,367.65 = 80,453,377.90/x
  3. Step 3: Cross multiply
    137,896,245.10x = 206,844,367.65 × 80,453,377.90
  4. Step 4: Simplify right side
    137,896,245.10x = 16,641,328,077,031,986
  5. Step 5: Solve for x
    x = 16,641,328,077,031,986/137,896,245.10
  6. Step 6: Final answer
    x = 120,680,066.85

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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.