Home / 198,981,501.27-274,590,793.72-108,455,772.15

Finding the Fourth Proportional to 198,981,501.27, 274,590,793.72 and 108,455,772.15

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Solution

The fourth proportional to 198,981,501.27, 274,590,793.72 and 108,455,772.15 is: 149,666,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,981,501.27 : 274,590,793.72 = 108,455,772.15 : x
  2. Step 2: Convert to fraction form
    198,981,501.27/274,590,793.72 = 108,455,772.15/x
  3. Step 3: Cross multiply
    198,981,501.27x = 274,590,793.72 × 108,455,772.15
  4. Step 4: Simplify right side
    198,981,501.27x = 29,780,956,558,183,976
  5. Step 5: Solve for x
    x = 29,780,956,558,183,976/198,981,501.27
  6. Step 6: Final answer
    x = 149,666,960.84

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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.