Home / 133,025,999.20-199,538,998.80-75,496,040.80

Finding the Fourth Proportional to 133,025,999.20, 199,538,998.80 and 75,496,040.80

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Solution

The fourth proportional to 133,025,999.20, 199,538,998.80 and 75,496,040.80 is: 113,244,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025,999.20 : 199,538,998.80 = 75,496,040.80 : x
  2. Step 2: Convert to fraction form
    133,025,999.20/199,538,998.80 = 75,496,040.80/x
  3. Step 3: Cross multiply
    133,025,999.20x = 199,538,998.80 × 75,496,040.80
  4. Step 4: Simplify right side
    133,025,999.20x = 15,064,404,394,595,952
  5. Step 5: Solve for x
    x = 15,064,404,394,595,952/133,025,999.20
  6. Step 6: Final answer
    x = 113,244,061.20

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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.