Home / 105,541,919.79-158,332,767.42-39,982,693.74

Finding the Fourth Proportional to 105,541,919.79, 158,332,767.42 and 39,982,693.74

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Solution

The fourth proportional to 105,541,919.79, 158,332,767.42 and 39,982,693.74 is: 59,981,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,541,919.79 : 158,332,767.42 = 39,982,693.74 : x
  2. Step 2: Convert to fraction form
    105,541,919.79/158,332,767.42 = 39,982,693.74/x
  3. Step 3: Cross multiply
    105,541,919.79x = 158,332,767.42 × 39,982,693.74
  4. Step 4: Simplify right side
    105,541,919.79x = 6,330,570,548,760,510
  5. Step 5: Solve for x
    x = 6,330,570,548,760,510/105,541,919.79
  6. Step 6: Final answer
    x = 59,981,574.73

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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.