Home / 111,785,612.20-167,678,418.30-66,324,005.80

Finding the Fourth Proportional to 111,785,612.20, 167,678,418.30 and 66,324,005.80

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Solution

The fourth proportional to 111,785,612.20, 167,678,418.30 and 66,324,005.80 is: 99,486,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,785,612.20 : 167,678,418.30 = 66,324,005.80 : x
  2. Step 2: Convert to fraction form
    111,785,612.20/167,678,418.30 = 66,324,005.80/x
  3. Step 3: Cross multiply
    111,785,612.20x = 167,678,418.30 × 66,324,005.80
  4. Step 4: Simplify right side
    111,785,612.20x = 11,121,104,387,864,026
  5. Step 5: Solve for x
    x = 11,121,104,387,864,026/111,785,612.20
  6. Step 6: Final answer
    x = 99,486,008.70

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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.