Home / 97,471,215.40-146,206,823.10-82,165,714.60

Finding the Fourth Proportional to 97,471,215.40, 146,206,823.10 and 82,165,714.60

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Solution

The fourth proportional to 97,471,215.40, 146,206,823.10 and 82,165,714.60 is: 123,248,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,471,215.40 : 146,206,823.10 = 82,165,714.60 : x
  2. Step 2: Convert to fraction form
    97,471,215.40/146,206,823.10 = 82,165,714.60/x
  3. Step 3: Cross multiply
    97,471,215.40x = 146,206,823.10 × 82,165,714.60
  4. Step 4: Simplify right side
    97,471,215.40x = 12,013,188,099,407,286
  5. Step 5: Solve for x
    x = 12,013,188,099,407,286/97,471,215.40
  6. Step 6: Final answer
    x = 123,248,571.90

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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.