Home / 196,480,608.32-271,138,489.36-108,372,713.74

Finding the Fourth Proportional to 196,480,608.32, 271,138,489.36 and 108,372,713.74

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Solution

The fourth proportional to 196,480,608.32, 271,138,489.36 and 108,372,713.74 is: 149,551,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,480,608.32 : 271,138,489.36 = 108,372,713.74 : x
  2. Step 2: Convert to fraction form
    196,480,608.32/271,138,489.36 = 108,372,713.74/x
  3. Step 3: Cross multiply
    196,480,608.32x = 271,138,489.36 × 108,372,713.74
  4. Step 4: Simplify right side
    196,480,608.32x = 29,384,013,890,358,540
  5. Step 5: Solve for x
    x = 29,384,013,890,358,540/196,480,608.32
  6. Step 6: Final answer
    x = 149,551,724.93

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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.