Home / 165,149,242.11-227,912,520.65-90,815,896.89

Finding the Fourth Proportional to 165,149,242.11, 227,912,520.65 and 90,815,896.89

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Solution

The fourth proportional to 165,149,242.11, 227,912,520.65 and 90,815,896.89 is: 125,329,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,149,242.11 : 227,912,520.65 = 90,815,896.89 : x
  2. Step 2: Convert to fraction form
    165,149,242.11/227,912,520.65 = 90,815,896.89/x
  3. Step 3: Cross multiply
    165,149,242.11x = 227,912,520.65 × 90,815,896.89
  4. Step 4: Simplify right side
    165,149,242.11x = 20,698,079,975,290,396
  5. Step 5: Solve for x
    x = 20,698,079,975,290,396/165,149,242.11
  6. Step 6: Final answer
    x = 125,329,548.66

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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.