Home / 137,896,225.10-206,844,337.65-80,453,357.90

Finding the Fourth Proportional to 137,896,225.10, 206,844,337.65 and 80,453,357.90

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Solution

The fourth proportional to 137,896,225.10, 206,844,337.65 and 80,453,357.90 is: 120,680,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,896,225.10 : 206,844,337.65 = 80,453,357.90 : x
  2. Step 2: Convert to fraction form
    137,896,225.10/206,844,337.65 = 80,453,357.90/x
  3. Step 3: Cross multiply
    137,896,225.10x = 206,844,337.65 × 80,453,357.90
  4. Step 4: Simplify right side
    137,896,225.10x = 16,641,321,526,543,896
  5. Step 5: Solve for x
    x = 16,641,321,526,543,896/137,896,225.10
  6. Step 6: Final answer
    x = 120,680,036.85

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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.