Home / 121,002,743.92-181,512,386.52-34,734,516.88

Finding the Fourth Proportional to 121,002,743.92, 181,512,386.52 and 34,734,516.88

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Solution

The fourth proportional to 121,002,743.92, 181,512,386.52 and 34,734,516.88 is: 52,104,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,002,743.92 : 181,512,386.52 = 34,734,516.88 : x
  2. Step 2: Convert to fraction form
    121,002,743.92/181,512,386.52 = 34,734,516.88/x
  3. Step 3: Cross multiply
    121,002,743.92x = 181,512,386.52 × 34,734,516.88
  4. Step 4: Simplify right side
    121,002,743.92x = 6,304,745,053,508,025
  5. Step 5: Solve for x
    x = 6,304,745,053,508,025/121,002,743.92
  6. Step 6: Final answer
    x = 52,104,149.45

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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.