Home / 275,340,610.32-379,992,251.88-157,876,869.12

Finding the Fourth Proportional to 275,340,610.32, 379,992,251.88 and 157,876,869.12

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Solution

The fourth proportional to 275,340,610.32, 379,992,251.88 and 157,876,869.12 is: 217,882,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,340,610.32 : 379,992,251.88 = 157,876,869.12 : x
  2. Step 2: Convert to fraction form
    275,340,610.32/379,992,251.88 = 157,876,869.12/x
  3. Step 3: Cross multiply
    275,340,610.32x = 379,992,251.88 × 157,876,869.12
  4. Step 4: Simplify right side
    275,340,610.32x = 59,991,987,016,672,832
  5. Step 5: Solve for x
    x = 59,991,987,016,672,832/275,340,610.32
  6. Step 6: Final answer
    x = 217,882,814.12

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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.