Home / 124,380,067.20-171,699,538.92-80,348,540.04

Finding the Fourth Proportional to 124,380,067.20, 171,699,538.92 and 80,348,540.04

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Solution

The fourth proportional to 124,380,067.20, 171,699,538.92 and 80,348,540.04 is: 110,916,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,380,067.20 : 171,699,538.92 = 80,348,540.04 : x
  2. Step 2: Convert to fraction form
    124,380,067.20/171,699,538.92 = 80,348,540.04/x
  3. Step 3: Cross multiply
    124,380,067.20x = 171,699,538.92 × 80,348,540.04
  4. Step 4: Simplify right side
    124,380,067.20x = 13,795,807,277,763,158
  5. Step 5: Solve for x
    x = 13,795,807,277,763,158/124,380,067.20
  6. Step 6: Final answer
    x = 110,916,544.65

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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.