Home / 215,401,012.24-322,921,659.48-100,326,321.04

Finding the Fourth Proportional to 215,401,012.24, 322,921,659.48 and 100,326,321.04

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Solution

The fourth proportional to 215,401,012.24, 322,921,659.48 and 100,326,321.04 is: 150,405,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,401,012.24 : 322,921,659.48 = 100,326,321.04 : x
  2. Step 2: Convert to fraction form
    215,401,012.24/322,921,659.48 = 100,326,321.04/x
  3. Step 3: Cross multiply
    215,401,012.24x = 322,921,659.48 × 100,326,321.04
  4. Step 4: Simplify right side
    215,401,012.24x = 32,397,542,079,760,044
  5. Step 5: Solve for x
    x = 32,397,542,079,760,044/215,401,012.24
  6. Step 6: Final answer
    x = 150,405,709.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.