Home / 168,394,987.32-232,385,079.66-91,132,651.32

Finding the Fourth Proportional to 168,394,987.32, 232,385,079.66 and 91,132,651.32

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Solution

The fourth proportional to 168,394,987.32, 232,385,079.66 and 91,132,651.32 is: 125,763,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,394,987.32 : 232,385,079.66 = 91,132,651.32 : x
  2. Step 2: Convert to fraction form
    168,394,987.32/232,385,079.66 = 91,132,651.32/x
  3. Step 3: Cross multiply
    168,394,987.32x = 232,385,079.66 × 91,132,651.32
  4. Step 4: Simplify right side
    168,394,987.32x = 21,177,868,436,625,204
  5. Step 5: Solve for x
    x = 21,177,868,436,625,204/168,394,987.32
  6. Step 6: Final answer
    x = 125,763,057.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.