Home / 196,273,814.82-270,857,907.10-106,965,780.13

Finding the Fourth Proportional to 196,273,814.82, 270,857,907.10 and 106,965,780.13

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Solution

The fourth proportional to 196,273,814.82, 270,857,907.10 and 106,965,780.13 is: 147,612,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,273,814.82 : 270,857,907.10 = 106,965,780.13 : x
  2. Step 2: Convert to fraction form
    196,273,814.82/270,857,907.10 = 106,965,780.13/x
  3. Step 3: Cross multiply
    196,273,814.82x = 270,857,907.10 × 106,965,780.13
  4. Step 4: Simplify right side
    196,273,814.82x = 28,972,527,337,330,568
  5. Step 5: Solve for x
    x = 28,972,527,337,330,568/196,273,814.82
  6. Step 6: Final answer
    x = 147,612,799.82

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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.