Home / 80,930,652.25-111,684,221.31-43,760,843.59

Finding the Fourth Proportional to 80,930,652.25, 111,684,221.31 and 43,760,843.59

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Solution

The fourth proportional to 80,930,652.25, 111,684,221.31 and 43,760,843.59 is: 60,389,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,652.25 : 111,684,221.31 = 43,760,843.59 : x
  2. Step 2: Convert to fraction form
    80,930,652.25/111,684,221.31 = 43,760,843.59/x
  3. Step 3: Cross multiply
    80,930,652.25x = 111,684,221.31 × 43,760,843.59
  4. Step 4: Simplify right side
    80,930,652.25x = 4,887,395,740,217,855
  5. Step 5: Solve for x
    x = 4,887,395,740,217,855/80,930,652.25
  6. Step 6: Final answer
    x = 60,389,921.55

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1.5x scale

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.