Home / 206,526,373.70-309,594,800.82-102,797,508.38

Finding the Fourth Proportional to 206,526,373.70, 309,594,800.82 and 102,797,508.38

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Solution

The fourth proportional to 206,526,373.70, 309,594,800.82 and 102,797,508.38 is: 154,099,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,526,373.70 : 309,594,800.82 = 102,797,508.38 : x
  2. Step 2: Convert to fraction form
    206,526,373.70/309,594,800.82 = 102,797,508.38/x
  3. Step 3: Cross multiply
    206,526,373.70x = 309,594,800.82 × 102,797,508.38
  4. Step 4: Simplify right side
    206,526,373.70x = 31,825,574,131,698,380
  5. Step 5: Solve for x
    x = 31,825,574,131,698,380/206,526,373.70
  6. Step 6: Final answer
    x = 154,099,321.85

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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.