Home / 165,149,212.56-227,912,479.86-90,815,867.34

Finding the Fourth Proportional to 165,149,212.56, 227,912,479.86 and 90,815,867.34

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Solution

The fourth proportional to 165,149,212.56, 227,912,479.86 and 90,815,867.34 is: 125,329,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,149,212.56 : 227,912,479.86 = 90,815,867.34 : x
  2. Step 2: Convert to fraction form
    165,149,212.56/227,912,479.86 = 90,815,867.34/x
  3. Step 3: Cross multiply
    165,149,212.56x = 227,912,479.86 × 90,815,867.34
  4. Step 4: Simplify right side
    165,149,212.56x = 20,698,069,536,096,184
  5. Step 5: Solve for x
    x = 20,698,069,536,096,184/165,149,212.56
  6. Step 6: Final answer
    x = 125,329,507.88

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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.