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Finding the Fourth Proportional to 219,794,141.70, 329,691,212.55 and 133,558,982.10

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Solution

The fourth proportional to 219,794,141.70, 329,691,212.55 and 133,558,982.10 is: 200,338,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,794,141.70 : 329,691,212.55 = 133,558,982.10 : x
  2. Step 2: Convert to fraction form
    219,794,141.70/329,691,212.55 = 133,558,982.10/x
  3. Step 3: Cross multiply
    219,794,141.70x = 329,691,212.55 × 133,558,982.10
  4. Step 4: Simplify right side
    219,794,141.70x = 44,033,222,755,492,744
  5. Step 5: Solve for x
    x = 44,033,222,755,492,744/219,794,141.70
  6. Step 6: Final answer
    x = 200,338,473.15

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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.