Home / 57,102,481.44-78,801,524.64-30,997,017

Finding the Fourth Proportional to 57,102,481.44, 78,801,524.64 and 30,997,017

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Solution

The fourth proportional to 57,102,481.44, 78,801,524.64 and 30,997,017 is: 42,775,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,481.44 : 78,801,524.64 = 30,997,017 : x
  2. Step 2: Convert to fraction form
    57,102,481.44/78,801,524.64 = 30,997,017/x
  3. Step 3: Cross multiply
    57,102,481.44x = 78,801,524.64 × 30,997,017
  4. Step 4: Simplify right side
    57,102,481.44x = 2,442,612,198,891,999
  5. Step 5: Solve for x
    x = 2,442,612,198,891,999/57,102,481.44
  6. Step 6: Final answer
    x = 42,775,937.88

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