Home / 198,982,376.82-274,592,000.94-108,456,648.60

Finding the Fourth Proportional to 198,982,376.82, 274,592,000.94 and 108,456,648.60

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Solution

The fourth proportional to 198,982,376.82, 274,592,000.94 and 108,456,648.60 is: 149,668,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,982,376.82 : 274,592,000.94 = 108,456,648.60 : x
  2. Step 2: Convert to fraction form
    198,982,376.82/274,592,000.94 = 108,456,648.60/x
  3. Step 3: Cross multiply
    198,982,376.82x = 274,592,000.94 × 108,456,648.60
  4. Step 4: Simplify right side
    198,982,376.82x = 29,781,328,154,320,448
  5. Step 5: Solve for x
    x = 29,781,328,154,320,448/198,982,376.82
  6. Step 6: Final answer
    x = 149,668,169.77

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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.