Home / 198,806,721.76-274,350,660.96-109,496,951.20

Finding the Fourth Proportional to 198,806,721.76, 274,350,660.96 and 109,496,951.20

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Solution

The fourth proportional to 198,806,721.76, 274,350,660.96 and 109,496,951.20 is: 151,104,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,806,721.76 : 274,350,660.96 = 109,496,951.20 : x
  2. Step 2: Convert to fraction form
    198,806,721.76/274,350,660.96 = 109,496,951.20/x
  3. Step 3: Cross multiply
    198,806,721.76x = 274,350,660.96 × 109,496,951.20
  4. Step 4: Simplify right side
    198,806,721.76x = 30,040,560,934,824,864
  5. Step 5: Solve for x
    x = 30,040,560,934,824,864/198,806,721.76
  6. Step 6: Final answer
    x = 151,104,352.35

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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.