Home / 118,098,007.20-177,147,010.80-106,193,728.80

Finding the Fourth Proportional to 118,098,007.20, 177,147,010.80 and 106,193,728.80

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Solution

The fourth proportional to 118,098,007.20, 177,147,010.80 and 106,193,728.80 is: 159,290,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,007.20 : 177,147,010.80 = 106,193,728.80 : x
  2. Step 2: Convert to fraction form
    118,098,007.20/177,147,010.80 = 106,193,728.80/x
  3. Step 3: Cross multiply
    118,098,007.20x = 177,147,010.80 × 106,193,728.80
  4. Step 4: Simplify right side
    118,098,007.20x = 18,811,901,622,625,872
  5. Step 5: Solve for x
    x = 18,811,901,622,625,872/118,098,007.20
  6. Step 6: Final answer
    x = 159,290,593.20

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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.