Home / 165,149,213.56-227,912,481.24-90,815,868.34

Finding the Fourth Proportional to 165,149,213.56, 227,912,481.24 and 90,815,868.34

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Solution

The fourth proportional to 165,149,213.56, 227,912,481.24 and 90,815,868.34 is: 125,329,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,149,213.56 : 227,912,481.24 = 90,815,868.34 : x
  2. Step 2: Convert to fraction form
    165,149,213.56/227,912,481.24 = 90,815,868.34/x
  3. Step 3: Cross multiply
    165,149,213.56x = 227,912,481.24 × 90,815,868.34
  4. Step 4: Simplify right side
    165,149,213.56x = 20,698,069,889,334,560
  5. Step 5: Solve for x
    x = 20,698,069,889,334,560/165,149,213.56
  6. Step 6: Final answer
    x = 125,329,509.26

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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.