Home / 204,213,561.24-281,816,513.10-111,394,481.88

Finding the Fourth Proportional to 204,213,561.24, 281,816,513.10 and 111,394,481.88

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Solution

The fourth proportional to 204,213,561.24, 281,816,513.10 and 111,394,481.88 is: 153,725,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,213,561.24 : 281,816,513.10 = 111,394,481.88 : x
  2. Step 2: Convert to fraction form
    204,213,561.24/281,816,513.10 = 111,394,481.88/x
  3. Step 3: Cross multiply
    204,213,561.24x = 281,816,513.10 × 111,394,481.88
  4. Step 4: Simplify right side
    204,213,561.24x = 31,392,804,462,002,732
  5. Step 5: Solve for x
    x = 31,392,804,462,002,732/204,213,561.24
  6. Step 6: Final answer
    x = 153,725,366.09

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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.