Home / 80,538,532.20-111,140,045.52-49,229,003.96

Finding the Fourth Proportional to 80,538,532.20, 111,140,045.52 and 49,229,003.96

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Solution

The fourth proportional to 80,538,532.20, 111,140,045.52 and 49,229,003.96 is: 67,934,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,538,532.20 : 111,140,045.52 = 49,229,003.96 : x
  2. Step 2: Convert to fraction form
    80,538,532.20/111,140,045.52 = 49,229,003.96/x
  3. Step 3: Cross multiply
    80,538,532.20x = 111,140,045.52 × 49,229,003.96
  4. Step 4: Simplify right side
    80,538,532.20x = 5,471,313,741,296,510
  5. Step 5: Solve for x
    x = 5,471,313,741,296,510/80,538,532.20
  6. Step 6: Final answer
    x = 67,934,112.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.