Home / 108,102,691.79-162,181,689.20-31,425,720.01

Finding the Fourth Proportional to 108,102,691.79, 162,181,689.20 and 31,425,720.01

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Solution

The fourth proportional to 108,102,691.79, 162,181,689.20 and 31,425,720.01 is: 47,146,618.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,102,691.79 : 162,181,689.20 = 31,425,720.01 : x
  2. Step 2: Convert to fraction form
    108,102,691.79/162,181,689.20 = 31,425,720.01/x
  3. Step 3: Cross multiply
    108,102,691.79x = 162,181,689.20 × 31,425,720.01
  4. Step 4: Simplify right side
    108,102,691.79x = 5,096,676,355,648,142
  5. Step 5: Solve for x
    x = 5,096,676,355,648,142/108,102,691.79
  6. Step 6: Final answer
    x = 47,146,618.38

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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.