Home / 111,203,998.40-166,805,997.60-91,930,404.80

Finding the Fourth Proportional to 111,203,998.40, 166,805,997.60 and 91,930,404.80

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Solution

The fourth proportional to 111,203,998.40, 166,805,997.60 and 91,930,404.80 is: 137,895,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,203,998.40 : 166,805,997.60 = 91,930,404.80 : x
  2. Step 2: Convert to fraction form
    111,203,998.40/166,805,997.60 = 91,930,404.80/x
  3. Step 3: Cross multiply
    111,203,998.40x = 166,805,997.60 × 91,930,404.80
  4. Step 4: Simplify right side
    111,203,998.40x = 15,334,542,882,435,828
  5. Step 5: Solve for x
    x = 15,334,542,882,435,828/111,203,998.40
  6. Step 6: Final answer
    x = 137,895,607.20

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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.