Home / 272,243,085.90-408,524,061.15-99,737,337.30

Finding the Fourth Proportional to 272,243,085.90, 408,524,061.15 and 99,737,337.30

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Solution

The fourth proportional to 272,243,085.90, 408,524,061.15 and 99,737,337.30 is: 149,664,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,243,085.90 : 408,524,061.15 = 99,737,337.30 : x
  2. Step 2: Convert to fraction form
    272,243,085.90/408,524,061.15 = 99,737,337.30/x
  3. Step 3: Cross multiply
    272,243,085.90x = 408,524,061.15 × 99,737,337.30
  4. Step 4: Simplify right side
    272,243,085.90x = 40,745,102,082,083,376
  5. Step 5: Solve for x
    x = 40,745,102,082,083,376/272,243,085.90
  6. Step 6: Final answer
    x = 149,664,414.61

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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.