Home / 108,102,693.21-162,181,691.37-31,425,721.44

Finding the Fourth Proportional to 108,102,693.21, 162,181,691.37 and 31,425,721.44

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Solution

The fourth proportional to 108,102,693.21, 162,181,691.37 and 31,425,721.44 is: 47,146,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,102,693.21 : 162,181,691.37 = 31,425,721.44 : x
  2. Step 2: Convert to fraction form
    108,102,693.21/162,181,691.37 = 31,425,721.44/x
  3. Step 3: Cross multiply
    108,102,693.21x = 162,181,691.37 × 31,425,721.44
  4. Step 4: Simplify right side
    108,102,693.21x = 5,096,676,655,661,672
  5. Step 5: Solve for x
    x = 5,096,676,655,661,672/108,102,693.21
  6. Step 6: Final answer
    x = 47,146,620.54

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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.