Home / 167,597,563.20-251,396,344.80-81,504,121.20

Finding the Fourth Proportional to 167,597,563.20, 251,396,344.80 and 81,504,121.20

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Solution

The fourth proportional to 167,597,563.20, 251,396,344.80 and 81,504,121.20 is: 122,256,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,597,563.20 : 251,396,344.80 = 81,504,121.20 : x
  2. Step 2: Convert to fraction form
    167,597,563.20/251,396,344.80 = 81,504,121.20/x
  3. Step 3: Cross multiply
    167,597,563.20x = 251,396,344.80 × 81,504,121.20
  4. Step 4: Simplify right side
    167,597,563.20x = 20,489,838,155,816,192
  5. Step 5: Solve for x
    x = 20,489,838,155,816,192/167,597,563.20
  6. Step 6: Final answer
    x = 122,256,181.80

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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.