Home / 197,799,679.38-296,695,972.46-81,189,714.18

Finding the Fourth Proportional to 197,799,679.38, 296,695,972.46 and 81,189,714.18

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Solution

The fourth proportional to 197,799,679.38, 296,695,972.46 and 81,189,714.18 is: 121,783,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,799,679.38 : 296,695,972.46 = 81,189,714.18 : x
  2. Step 2: Convert to fraction form
    197,799,679.38/296,695,972.46 = 81,189,714.18/x
  3. Step 3: Cross multiply
    197,799,679.38x = 296,695,972.46 × 81,189,714.18
  4. Step 4: Simplify right side
    197,799,679.38x = 24,088,661,202,384,552
  5. Step 5: Solve for x
    x = 24,088,661,202,384,552/197,799,679.38
  6. Step 6: Final answer
    x = 121,783,115.51

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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.