Home / 198,044,708.10-297,067,062.15-189,647,940.30

Finding the Fourth Proportional to 198,044,708.10, 297,067,062.15 and 189,647,940.30

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Solution

The fourth proportional to 198,044,708.10, 297,067,062.15 and 189,647,940.30 is: 284,471,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,044,708.10 : 297,067,062.15 = 189,647,940.30 : x
  2. Step 2: Convert to fraction form
    198,044,708.10/297,067,062.15 = 189,647,940.30/x
  3. Step 3: Cross multiply
    198,044,708.10x = 297,067,062.15 × 189,647,940.30
  4. Step 4: Simplify right side
    198,044,708.10x = 56,338,156,467,719,592
  5. Step 5: Solve for x
    x = 56,338,156,467,719,592/198,044,708.10
  6. Step 6: Final answer
    x = 284,471,910.45

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Similar ratio
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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.