Home / 221,333,660.10-332,000,490.15-155,328,687.90

Finding the Fourth Proportional to 221,333,660.10, 332,000,490.15 and 155,328,687.90

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Solution

The fourth proportional to 221,333,660.10, 332,000,490.15 and 155,328,687.90 is: 232,993,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,333,660.10 : 332,000,490.15 = 155,328,687.90 : x
  2. Step 2: Convert to fraction form
    221,333,660.10/332,000,490.15 = 155,328,687.90/x
  3. Step 3: Cross multiply
    221,333,660.10x = 332,000,490.15 × 155,328,687.90
  4. Step 4: Simplify right side
    221,333,660.10x = 51,569,200,517,156,376
  5. Step 5: Solve for x
    x = 51,569,200,517,156,376/221,333,660.10
  6. Step 6: Final answer
    x = 232,993,031.85

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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.