Home / 108,165,814.83-162,135,348.17-39,965,007.15

Finding the Fourth Proportional to 108,165,814.83, 162,135,348.17 and 39,965,007.15

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Solution

The fourth proportional to 108,165,814.83, 162,135,348.17 and 39,965,007.15 is: 59,905,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,165,814.83 : 162,135,348.17 = 39,965,007.15 : x
  2. Step 2: Convert to fraction form
    108,165,814.83/162,135,348.17 = 39,965,007.15/x
  3. Step 3: Cross multiply
    108,165,814.83x = 162,135,348.17 × 39,965,007.15
  4. Step 4: Simplify right side
    108,165,814.83x = 6,479,740,348,681,964
  5. Step 5: Solve for x
    x = 6,479,740,348,681,964/108,165,814.83
  6. Step 6: Final answer
    x = 59,905,621.37

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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.