Home / 204,213,833.87-281,816,889.32-111,394,754.51

Finding the Fourth Proportional to 204,213,833.87, 281,816,889.32 and 111,394,754.51

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Solution

The fourth proportional to 204,213,833.87, 281,816,889.32 and 111,394,754.51 is: 153,725,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,213,833.87 : 281,816,889.32 = 111,394,754.51 : x
  2. Step 2: Convert to fraction form
    204,213,833.87/281,816,889.32 = 111,394,754.51/x
  3. Step 3: Cross multiply
    204,213,833.87x = 281,816,889.32 × 111,394,754.51
  4. Step 4: Simplify right side
    204,213,833.87x = 31,392,923,201,442,640
  5. Step 5: Solve for x
    x = 31,392,923,201,442,640/204,213,833.87
  6. Step 6: Final answer
    x = 153,725,742.31

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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.