Home / 167,597,559.20-251,396,338.80-81,504,117.20

Finding the Fourth Proportional to 167,597,559.20, 251,396,338.80 and 81,504,117.20

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Solution

The fourth proportional to 167,597,559.20, 251,396,338.80 and 81,504,117.20 is: 122,256,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,597,559.20 : 251,396,338.80 = 81,504,117.20 : x
  2. Step 2: Convert to fraction form
    167,597,559.20/251,396,338.80 = 81,504,117.20/x
  3. Step 3: Cross multiply
    167,597,559.20x = 251,396,338.80 × 81,504,117.20
  4. Step 4: Simplify right side
    167,597,559.20x = 20,489,836,661,206,108
  5. Step 5: Solve for x
    x = 20,489,836,661,206,108/167,597,559.20
  6. Step 6: Final answer
    x = 122,256,175.80

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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.