Home / 198,981,500.76-274,590,793.04-108,455,771.64

Finding the Fourth Proportional to 198,981,500.76, 274,590,793.04 and 108,455,771.64

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Solution

The fourth proportional to 198,981,500.76, 274,590,793.04 and 108,455,771.64 is: 149,666,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,981,500.76 : 274,590,793.04 = 108,455,771.64 : x
  2. Step 2: Convert to fraction form
    198,981,500.76/274,590,793.04 = 108,455,771.64/x
  3. Step 3: Cross multiply
    198,981,500.76x = 274,590,793.04 × 108,455,771.64
  4. Step 4: Simplify right side
    198,981,500.76x = 29,780,956,344,392,744
  5. Step 5: Solve for x
    x = 29,780,956,344,392,744/198,981,500.76
  6. Step 6: Final answer
    x = 149,666,960.15

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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.