Home / 166,327,963.38-229,523,307.79-90,959,418.32

Finding the Fourth Proportional to 166,327,963.38, 229,523,307.79 and 90,959,418.32

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Solution

The fourth proportional to 166,327,963.38, 229,523,307.79 and 90,959,418.32 is: 125,518,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,327,963.38 : 229,523,307.79 = 90,959,418.32 : x
  2. Step 2: Convert to fraction form
    166,327,963.38/229,523,307.79 = 90,959,418.32/x
  3. Step 3: Cross multiply
    166,327,963.38x = 229,523,307.79 × 90,959,418.32
  4. Step 4: Simplify right side
    166,327,963.38x = 20,877,306,567,460,724
  5. Step 5: Solve for x
    x = 20,877,306,567,460,724/166,327,963.38
  6. Step 6: Final answer
    x = 125,518,921.43

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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.