Home / 105,541,913.66-158,332,758.21-39,982,687.59

Finding the Fourth Proportional to 105,541,913.66, 158,332,758.21 and 39,982,687.59

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Solution

The fourth proportional to 105,541,913.66, 158,332,758.21 and 39,982,687.59 is: 59,981,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,541,913.66 : 158,332,758.21 = 39,982,687.59 : x
  2. Step 2: Convert to fraction form
    105,541,913.66/158,332,758.21 = 39,982,687.59/x
  3. Step 3: Cross multiply
    105,541,913.66x = 158,332,758.21 × 39,982,687.59
  4. Step 4: Simplify right side
    105,541,913.66x = 6,330,569,207,367,186
  5. Step 5: Solve for x
    x = 6,330,569,207,367,186/105,541,913.66
  6. Step 6: Final answer
    x = 59,981,565.50

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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.