Home / 199,589,387.30-299,384,080.95-196,902,001.70

Finding the Fourth Proportional to 199,589,387.30, 299,384,080.95 and 196,902,001.70

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Solution

The fourth proportional to 199,589,387.30, 299,384,080.95 and 196,902,001.70 is: 295,353,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,589,387.30 : 299,384,080.95 = 196,902,001.70 : x
  2. Step 2: Convert to fraction form
    199,589,387.30/299,384,080.95 = 196,902,001.70/x
  3. Step 3: Cross multiply
    199,589,387.30x = 299,384,080.95 × 196,902,001.70
  4. Step 4: Simplify right side
    199,589,387.30x = 58,949,324,816,169,832
  5. Step 5: Solve for x
    x = 58,949,324,816,169,832/199,589,387.30
  6. Step 6: Final answer
    x = 295,353,002.55

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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.