Home / 111,769,940.20-167,654,910.30-106,479,149.80

Finding the Fourth Proportional to 111,769,940.20, 167,654,910.30 and 106,479,149.80

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Solution

The fourth proportional to 111,769,940.20, 167,654,910.30 and 106,479,149.80 is: 159,718,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,769,940.20 : 167,654,910.30 = 106,479,149.80 : x
  2. Step 2: Convert to fraction form
    111,769,940.20/167,654,910.30 = 106,479,149.80/x
  3. Step 3: Cross multiply
    111,769,940.20x = 167,654,910.30 × 106,479,149.80
  4. Step 4: Simplify right side
    111,769,940.20x = 17,851,752,308,539,264
  5. Step 5: Solve for x
    x = 17,851,752,308,539,264/111,769,940.20
  6. Step 6: Final answer
    x = 159,718,724.70

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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.