Home / 204,270,673.92-281,980,510.86-137,328,456.09

Finding the Fourth Proportional to 204,270,673.92, 281,980,510.86 and 137,328,456.09

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Solution

The fourth proportional to 204,270,673.92, 281,980,510.86 and 137,328,456.09 is: 189,571,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,270,673.92 : 281,980,510.86 = 137,328,456.09 : x
  2. Step 2: Convert to fraction form
    204,270,673.92/281,980,510.86 = 137,328,456.09/x
  3. Step 3: Cross multiply
    204,270,673.92x = 281,980,510.86 × 137,328,456.09
  4. Step 4: Simplify right side
    204,270,673.92x = 38,723,948,201,776,736
  5. Step 5: Solve for x
    x = 38,723,948,201,776,736/204,270,673.92
  6. Step 6: Final answer
    x = 189,571,745.47

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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.