Home / 198,511,998.10-297,768,105.15-62,208,049.30

Finding the Fourth Proportional to 198,511,998.10, 297,768,105.15 and 62,208,049.30

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Solution

The fourth proportional to 198,511,998.10, 297,768,105.15 and 62,208,049.30 is: 93,312,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,511,998.10 : 297,768,105.15 = 62,208,049.30 : x
  2. Step 2: Convert to fraction form
    198,511,998.10/297,768,105.15 = 62,208,049.30/x
  3. Step 3: Cross multiply
    198,511,998.10x = 297,768,105.15 × 62,208,049.30
  4. Step 4: Simplify right side
    198,511,998.10x = 18,523,572,965,138,780
  5. Step 5: Solve for x
    x = 18,523,572,965,138,780/198,511,998.10
  6. Step 6: Final answer
    x = 93,312,107.79

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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.