Home / 108,601,832.40-162,906,685.20-31,932,610.80

Finding the Fourth Proportional to 108,601,832.40, 162,906,685.20 and 31,932,610.80

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Solution

The fourth proportional to 108,601,832.40, 162,906,685.20 and 31,932,610.80 is: 47,900,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601,832.40 : 162,906,685.20 = 31,932,610.80 : x
  2. Step 2: Convert to fraction form
    108,601,832.40/162,906,685.20 = 31,932,610.80/x
  3. Step 3: Cross multiply
    108,601,832.40x = 162,906,685.20 × 31,932,610.80
  4. Step 4: Simplify right side
    108,601,832.40x = 5,202,035,775,209,720
  5. Step 5: Solve for x
    x = 5,202,035,775,209,720/108,601,832.40
  6. Step 6: Final answer
    x = 47,900,073.69

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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.