Home / 322,154,028.31-444,560,044.38-196,915,915.54

Finding the Fourth Proportional to 322,154,028.31, 444,560,044.38 and 196,915,915.54

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Solution

The fourth proportional to 322,154,028.31, 444,560,044.38 and 196,915,915.54 is: 271,736,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,154,028.31 : 444,560,044.38 = 196,915,915.54 : x
  2. Step 2: Convert to fraction form
    322,154,028.31/444,560,044.38 = 196,915,915.54/x
  3. Step 3: Cross multiply
    322,154,028.31x = 444,560,044.38 × 196,915,915.54
  4. Step 4: Simplify right side
    322,154,028.31x = 87,540,948,151,590,720
  5. Step 5: Solve for x
    x = 87,540,948,151,590,720/322,154,028.31
  6. Step 6: Final answer
    x = 271,736,313.87

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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.