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Finding the Fourth Proportional to 227,978,279.96, 341,967,518.34 and 55,454,029.32

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Solution

The fourth proportional to 227,978,279.96, 341,967,518.34 and 55,454,029.32 is: 83,181,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,978,279.96 : 341,967,518.34 = 55,454,029.32 : x
  2. Step 2: Convert to fraction form
    227,978,279.96/341,967,518.34 = 55,454,029.32/x
  3. Step 3: Cross multiply
    227,978,279.96x = 341,967,518.34 × 55,454,029.32
  4. Step 4: Simplify right side
    227,978,279.96x = 18,963,476,788,513,996
  5. Step 5: Solve for x
    x = 18,963,476,788,513,996/227,978,279.96
  6. Step 6: Final answer
    x = 83,181,067.92

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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.