Home / 166,131,445.34-229,266,020.22-91,796,820.86

Finding the Fourth Proportional to 166,131,445.34, 229,266,020.22 and 91,796,820.86

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Solution

The fourth proportional to 166,131,445.34, 229,266,020.22 and 91,796,820.86 is: 126,682,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,131,445.34 : 229,266,020.22 = 91,796,820.86 : x
  2. Step 2: Convert to fraction form
    166,131,445.34/229,266,020.22 = 91,796,820.86/x
  3. Step 3: Cross multiply
    166,131,445.34x = 229,266,020.22 × 91,796,820.86
  4. Step 4: Simplify right side
    166,131,445.34x = 21,045,891,787,420,476
  5. Step 5: Solve for x
    x = 21,045,891,787,420,476/166,131,445.34
  6. Step 6: Final answer
    x = 126,682,168.71

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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.