Home / 225,777,924.56-311,707,114.72-142,217,680.62

Finding the Fourth Proportional to 225,777,924.56, 311,707,114.72 and 142,217,680.62

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Solution

The fourth proportional to 225,777,924.56, 311,707,114.72 and 142,217,680.62 is: 196,344,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,777,924.56 : 311,707,114.72 = 142,217,680.62 : x
  2. Step 2: Convert to fraction form
    225,777,924.56/311,707,114.72 = 142,217,680.62/x
  3. Step 3: Cross multiply
    225,777,924.56x = 311,707,114.72 × 142,217,680.62
  4. Step 4: Simplify right side
    225,777,924.56x = 44,330,262,888,230,664
  5. Step 5: Solve for x
    x = 44,330,262,888,230,664/225,777,924.56
  6. Step 6: Final answer
    x = 196,344,540.66

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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.