Home / 199,589,387.80-299,384,081.70-196,902,002.20

Finding the Fourth Proportional to 199,589,387.80, 299,384,081.70 and 196,902,002.20

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Solution

The fourth proportional to 199,589,387.80, 299,384,081.70 and 196,902,002.20 is: 295,353,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,589,387.80 : 299,384,081.70 = 196,902,002.20 : x
  2. Step 2: Convert to fraction form
    199,589,387.80/299,384,081.70 = 196,902,002.20/x
  3. Step 3: Cross multiply
    199,589,387.80x = 299,384,081.70 × 196,902,002.20
  4. Step 4: Simplify right side
    199,589,387.80x = 58,949,325,113,538,376
  5. Step 5: Solve for x
    x = 58,949,325,113,538,376/199,589,387.80
  6. Step 6: Final answer
    x = 295,353,003.30

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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.