Home / 198,207,314.20-296,723,105.70-147,314,949.40

Finding the Fourth Proportional to 198,207,314.20, 296,723,105.70 and 147,314,949.40

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Solution

The fourth proportional to 198,207,314.20, 296,723,105.70 and 147,314,949.40 is: 220,535,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,207,314.20 : 296,723,105.70 = 147,314,949.40 : x
  2. Step 2: Convert to fraction form
    198,207,314.20/296,723,105.70 = 147,314,949.40/x
  3. Step 3: Cross multiply
    198,207,314.20x = 296,723,105.70 × 147,314,949.40
  4. Step 4: Simplify right side
    198,207,314.20x = 43,711,749,302,006,352
  5. Step 5: Solve for x
    x = 43,711,749,302,006,352/198,207,314.20
  6. Step 6: Final answer
    x = 220,535,500.81

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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.