Home / 198,743,278.83-298,092,110.55-53,188,195.05

Finding the Fourth Proportional to 198,743,278.83, 298,092,110.55 and 53,188,195.05

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Solution

The fourth proportional to 198,743,278.83, 298,092,110.55 and 53,188,195.05 is: 79,776,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,743,278.83 : 298,092,110.55 = 53,188,195.05 : x
  2. Step 2: Convert to fraction form
    198,743,278.83/298,092,110.55 = 53,188,195.05/x
  3. Step 3: Cross multiply
    198,743,278.83x = 298,092,110.55 × 53,188,195.05
  4. Step 4: Simplify right side
    198,743,278.83x = 15,854,981,318,799,562
  5. Step 5: Solve for x
    x = 15,854,981,318,799,562/198,743,278.83
  6. Step 6: Final answer
    x = 79,776,188.72

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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.