Home / 69,770,074.03-104,647,125.48-18,656,078.65

Finding the Fourth Proportional to 69,770,074.03, 104,647,125.48 and 18,656,078.65

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Solution

The fourth proportional to 69,770,074.03, 104,647,125.48 and 18,656,078.65 is: 27,981,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,770,074.03 : 104,647,125.48 = 18,656,078.65 : x
  2. Step 2: Convert to fraction form
    69,770,074.03/104,647,125.48 = 18,656,078.65/x
  3. Step 3: Cross multiply
    69,770,074.03x = 104,647,125.48 × 18,656,078.65
  4. Step 4: Simplify right side
    69,770,074.03x = 1,952,305,003,451,299
  5. Step 5: Solve for x
    x = 1,952,305,003,451,299/69,770,074.03
  6. Step 6: Final answer
    x = 27,981,982.69

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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.