Home / 91,296,760.89-125,916,067.11-80,259,912.30

Finding the Fourth Proportional to 91,296,760.89, 125,916,067.11 and 80,259,912.30

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Solution

The fourth proportional to 91,296,760.89, 125,916,067.11 and 80,259,912.30 is: 110,694,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,296,760.89 : 125,916,067.11 = 80,259,912.30 : x
  2. Step 2: Convert to fraction form
    91,296,760.89/125,916,067.11 = 80,259,912.30/x
  3. Step 3: Cross multiply
    91,296,760.89x = 125,916,067.11 × 80,259,912.30
  4. Step 4: Simplify right side
    91,296,760.89x = 10,106,012,503,409,514
  5. Step 5: Solve for x
    x = 10,106,012,503,409,514/91,296,760.89
  6. Step 6: Final answer
    x = 110,694,096.97

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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.