Home / 111,904,027.20-167,856,040.80-66,442,420.80

Finding the Fourth Proportional to 111,904,027.20, 167,856,040.80 and 66,442,420.80

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Solution

The fourth proportional to 111,904,027.20, 167,856,040.80 and 66,442,420.80 is: 99,663,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,904,027.20 : 167,856,040.80 = 66,442,420.80 : x
  2. Step 2: Convert to fraction form
    111,904,027.20/167,856,040.80 = 66,442,420.80/x
  3. Step 3: Cross multiply
    111,904,027.20x = 167,856,040.80 × 66,442,420.80
  4. Step 4: Simplify right side
    111,904,027.20x = 11,152,761,696,655,568
  5. Step 5: Solve for x
    x = 11,152,761,696,655,568/111,904,027.20
  6. Step 6: Final answer
    x = 99,663,631.20

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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.