Home / 221,981,198.10-332,971,797.15-218,154,822.90

Finding the Fourth Proportional to 221,981,198.10, 332,971,797.15 and 218,154,822.90

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Solution

The fourth proportional to 221,981,198.10, 332,971,797.15 and 218,154,822.90 is: 327,232,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,981,198.10 : 332,971,797.15 = 218,154,822.90 : x
  2. Step 2: Convert to fraction form
    221,981,198.10/332,971,797.15 = 218,154,822.90/x
  3. Step 3: Cross multiply
    221,981,198.10x = 332,971,797.15 × 218,154,822.90
  4. Step 4: Simplify right side
    221,981,198.10x = 72,639,403,437,952,976
  5. Step 5: Solve for x
    x = 72,639,403,437,952,976/221,981,198.10
  6. Step 6: Final answer
    x = 327,232,234.35

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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.