Home / 206,198,876.47-284,552,448.92-112,113,022.08

Finding the Fourth Proportional to 206,198,876.47, 284,552,448.92 and 112,113,022.08

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Solution

The fourth proportional to 206,198,876.47, 284,552,448.92 and 112,113,022.08 is: 154,714,882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,198,876.47 : 284,552,448.92 = 112,113,022.08 : x
  2. Step 2: Convert to fraction form
    206,198,876.47/284,552,448.92 = 112,113,022.08/x
  3. Step 3: Cross multiply
    206,198,876.47x = 284,552,448.92 × 112,113,022.08
  4. Step 4: Simplify right side
    206,198,876.47x = 31,902,034,989,926,876
  5. Step 5: Solve for x
    x = 31,902,034,989,926,876/206,198,876.47
  6. Step 6: Final answer
    x = 154,714,882.72

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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.