Home / 79,267,067.60-118,900,601.40-25,419,822.80

Finding the Fourth Proportional to 79,267,067.60, 118,900,601.40 and 25,419,822.80

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Solution

The fourth proportional to 79,267,067.60, 118,900,601.40 and 25,419,822.80 is: 38,129,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267,067.60 : 118,900,601.40 = 25,419,822.80 : x
  2. Step 2: Convert to fraction form
    79,267,067.60/118,900,601.40 = 25,419,822.80/x
  3. Step 3: Cross multiply
    79,267,067.60x = 118,900,601.40 × 25,419,822.80
  4. Step 4: Simplify right side
    79,267,067.60x = 3,022,432,218,401,432
  5. Step 5: Solve for x
    x = 3,022,432,218,401,432/79,267,067.60
  6. Step 6: Final answer
    x = 38,129,734.20

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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.