Home / 196,159,015.68-270,680,065.92-109,246,974.72

Finding the Fourth Proportional to 196,159,015.68, 270,680,065.92 and 109,246,974.72

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Solution

The fourth proportional to 196,159,015.68, 270,680,065.92 and 109,246,974.72 is: 150,750,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,159,015.68 : 270,680,065.92 = 109,246,974.72 : x
  2. Step 2: Convert to fraction form
    196,159,015.68/270,680,065.92 = 109,246,974.72/x
  3. Step 3: Cross multiply
    196,159,015.68x = 270,680,065.92 × 109,246,974.72
  4. Step 4: Simplify right side
    196,159,015.68x = 29,570,978,318,770,176
  5. Step 5: Solve for x
    x = 29,570,978,318,770,176/196,159,015.68
  6. Step 6: Final answer
    x = 150,750,034.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.