Home / 239,707,358.49-359,556,778.45-75,940,858.65

Finding the Fourth Proportional to 239,707,358.49, 359,556,778.45 and 75,940,858.65

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Solution

The fourth proportional to 239,707,358.49, 359,556,778.45 and 75,940,858.65 is: 113,909,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,707,358.49 : 359,556,778.45 = 75,940,858.65 : x
  2. Step 2: Convert to fraction form
    239,707,358.49/359,556,778.45 = 75,940,858.65/x
  3. Step 3: Cross multiply
    239,707,358.49x = 359,556,778.45 × 75,940,858.65
  4. Step 4: Simplify right side
    239,707,358.49x = 27,305,050,488,920,816
  5. Step 5: Solve for x
    x = 27,305,050,488,920,816/239,707,358.49
  6. Step 6: Final answer
    x = 113,909,938.61

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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.