Home / 192,857,198.43-266,146,439.94-109,242,689.61

Finding the Fourth Proportional to 192,857,198.43, 266,146,439.94 and 109,242,689.61

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Solution

The fourth proportional to 192,857,198.43, 266,146,439.94 and 109,242,689.61 is: 150,756,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,857,198.43 : 266,146,439.94 = 109,242,689.61 : x
  2. Step 2: Convert to fraction form
    192,857,198.43/266,146,439.94 = 109,242,689.61/x
  3. Step 3: Cross multiply
    192,857,198.43x = 266,146,439.94 × 109,242,689.61
  4. Step 4: Simplify right side
    192,857,198.43x = 29,074,552,929,171,928
  5. Step 5: Solve for x
    x = 29,074,552,929,171,928/192,857,198.43
  6. Step 6: Final answer
    x = 150,756,897.67

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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.