Home / 206,526,379.20-309,594,809.07-102,797,513.91

Finding the Fourth Proportional to 206,526,379.20, 309,594,809.07 and 102,797,513.91

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Solution

The fourth proportional to 206,526,379.20, 309,594,809.07 and 102,797,513.91 is: 154,099,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,526,379.20 : 309,594,809.07 = 102,797,513.91 : x
  2. Step 2: Convert to fraction form
    206,526,379.20/309,594,809.07 = 102,797,513.91/x
  3. Step 3: Cross multiply
    206,526,379.20x = 309,594,809.07 × 102,797,513.91
  4. Step 4: Simplify right side
    206,526,379.20x = 31,825,576,691,837,116
  5. Step 5: Solve for x
    x = 31,825,576,691,837,116/206,526,379.20
  6. Step 6: Final answer
    x = 154,099,330.14

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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.