Home / 161,987,626.80-242,981,440.20-40,819,078.80

Finding the Fourth Proportional to 161,987,626.80, 242,981,440.20 and 40,819,078.80

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Solution

The fourth proportional to 161,987,626.80, 242,981,440.20 and 40,819,078.80 is: 61,228,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,987,626.80 : 242,981,440.20 = 40,819,078.80 : x
  2. Step 2: Convert to fraction form
    161,987,626.80/242,981,440.20 = 40,819,078.80/x
  3. Step 3: Cross multiply
    161,987,626.80x = 242,981,440.20 × 40,819,078.80
  4. Step 4: Simplify right side
    161,987,626.80x = 9,918,278,554,461,286
  5. Step 5: Solve for x
    x = 9,918,278,554,461,286/161,987,626.80
  6. Step 6: Final answer
    x = 61,228,618.20

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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.