Home / 206,334,629.75-309,501,889.27-141,441,697.85

Finding the Fourth Proportional to 206,334,629.75, 309,501,889.27 and 141,441,697.85

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Solution

The fourth proportional to 206,334,629.75, 309,501,889.27 and 141,441,697.85 is: 212,162,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,334,629.75 : 309,501,889.27 = 141,441,697.85 : x
  2. Step 2: Convert to fraction form
    206,334,629.75/309,501,889.27 = 141,441,697.85/x
  3. Step 3: Cross multiply
    206,334,629.75x = 309,501,889.27 × 141,441,697.85
  4. Step 4: Simplify right side
    206,334,629.75x = 43,776,472,704,230,384
  5. Step 5: Solve for x
    x = 43,776,472,704,230,384/206,334,629.75
  6. Step 6: Final answer
    x = 212,162,508.82

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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.