Home / 111,769,997.20-167,654,995.80-106,479,206.80

Finding the Fourth Proportional to 111,769,997.20, 167,654,995.80 and 106,479,206.80

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Solution

The fourth proportional to 111,769,997.20, 167,654,995.80 and 106,479,206.80 is: 159,718,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,769,997.20 : 167,654,995.80 = 106,479,206.80 : x
  2. Step 2: Convert to fraction form
    111,769,997.20/167,654,995.80 = 106,479,206.80/x
  3. Step 3: Cross multiply
    111,769,997.20x = 167,654,995.80 × 106,479,206.80
  4. Step 4: Simplify right side
    111,769,997.20x = 17,851,770,968,841,332
  5. Step 5: Solve for x
    x = 17,851,770,968,841,332/111,769,997.20
  6. Step 6: Final answer
    x = 159,718,810.20

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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.