Home / 91,162,436.92-125,816,143.56-51,995,235.24

Finding the Fourth Proportional to 91,162,436.92, 125,816,143.56 and 51,995,235.24

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Solution

The fourth proportional to 91,162,436.92, 125,816,143.56 and 51,995,235.24 is: 71,760,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,162,436.92 : 125,816,143.56 = 51,995,235.24 : x
  2. Step 2: Convert to fraction form
    91,162,436.92/125,816,143.56 = 51,995,235.24/x
  3. Step 3: Cross multiply
    91,162,436.92x = 125,816,143.56 × 51,995,235.24
  4. Step 4: Simplify right side
    91,162,436.92x = 6,541,839,981,391,811
  5. Step 5: Solve for x
    x = 6,541,839,981,391,811/91,162,436.92
  6. Step 6: Final answer
    x = 71,760,257.87

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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.