Home / 97,471,385.40-146,207,078.10-82,165,884.60

Finding the Fourth Proportional to 97,471,385.40, 146,207,078.10 and 82,165,884.60

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Solution

The fourth proportional to 97,471,385.40, 146,207,078.10 and 82,165,884.60 is: 123,248,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,471,385.40 : 146,207,078.10 = 82,165,884.60 : x
  2. Step 2: Convert to fraction form
    97,471,385.40/146,207,078.10 = 82,165,884.60/x
  3. Step 3: Cross multiply
    97,471,385.40x = 146,207,078.10 × 82,165,884.60
  4. Step 4: Simplify right side
    97,471,385.40x = 12,013,233,906,867,786
  5. Step 5: Solve for x
    x = 12,013,233,906,867,786/97,471,385.40
  6. Step 6: Final answer
    x = 123,248,826.90

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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.