Home / 80,455,859.46-111,040,785.63-45,177,624.90

Finding the Fourth Proportional to 80,455,859.46, 111,040,785.63 and 45,177,624.90

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Solution

The fourth proportional to 80,455,859.46, 111,040,785.63 and 45,177,624.90 is: 62,351,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,455,859.46 : 111,040,785.63 = 45,177,624.90 : x
  2. Step 2: Convert to fraction form
    80,455,859.46/111,040,785.63 = 45,177,624.90/x
  3. Step 3: Cross multiply
    80,455,859.46x = 111,040,785.63 × 45,177,624.90
  4. Step 4: Simplify right side
    80,455,859.46x = 5,016,558,961,793,450
  5. Step 5: Solve for x
    x = 5,016,558,961,793,450/80,455,859.46
  6. Step 6: Final answer
    x = 62,351,691.91

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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.