Home / 204,628,086.27-306,941,702.94-81,835,100.28

Finding the Fourth Proportional to 204,628,086.27, 306,941,702.94 and 81,835,100.28

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Solution

The fourth proportional to 204,628,086.27, 306,941,702.94 and 81,835,100.28 is: 122,752,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,628,086.27 : 306,941,702.94 = 81,835,100.28 : x
  2. Step 2: Convert to fraction form
    204,628,086.27/306,941,702.94 = 81,835,100.28/x
  3. Step 3: Cross multiply
    204,628,086.27x = 306,941,702.94 × 81,835,100.28
  4. Step 4: Simplify right side
    204,628,086.27x = 25,118,605,040,208,872
  5. Step 5: Solve for x
    x = 25,118,605,040,208,872/204,628,086.27
  6. Step 6: Final answer
    x = 122,752,479.87

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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.