Home / 198,743,278.33-298,092,109.81-53,188,194.54

Finding the Fourth Proportional to 198,743,278.33, 298,092,109.81 and 53,188,194.54

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Solution

The fourth proportional to 198,743,278.33, 298,092,109.81 and 53,188,194.54 is: 79,776,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,743,278.33 : 298,092,109.81 = 53,188,194.54 : x
  2. Step 2: Convert to fraction form
    198,743,278.33/298,092,109.81 = 53,188,194.54/x
  3. Step 3: Cross multiply
    198,743,278.33x = 298,092,109.81 × 53,188,194.54
  4. Step 4: Simplify right side
    198,743,278.33x = 15,854,981,127,413,322
  5. Step 5: Solve for x
    x = 15,854,981,127,413,322/198,743,278.33
  6. Step 6: Final answer
    x = 79,776,187.96

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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.