Home / 217,103,836.98-325,388,955.47-100,361,279.11

Finding the Fourth Proportional to 217,103,836.98, 325,388,955.47 and 100,361,279.11

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Solution

The fourth proportional to 217,103,836.98, 325,388,955.47 and 100,361,279.11 is: 150,418,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,103,836.98 : 325,388,955.47 = 100,361,279.11 : x
  2. Step 2: Convert to fraction form
    217,103,836.98/325,388,955.47 = 100,361,279.11/x
  3. Step 3: Cross multiply
    217,103,836.98x = 325,388,955.47 × 100,361,279.11
  4. Step 4: Simplify right side
    217,103,836.98x = 32,656,451,780,293,872
  5. Step 5: Solve for x
    x = 32,656,451,780,293,872/217,103,836.98
  6. Step 6: Final answer
    x = 150,418,584.19

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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.