Home / 239,892,286.97-331,073,546.64-145,784,714.69

Finding the Fourth Proportional to 239,892,286.97, 331,073,546.64 and 145,784,714.69

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Solution

The fourth proportional to 239,892,286.97, 331,073,546.64 and 145,784,714.69 is: 201,196,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,892,286.97 : 331,073,546.64 = 145,784,714.69 : x
  2. Step 2: Convert to fraction form
    239,892,286.97/331,073,546.64 = 145,784,714.69/x
  3. Step 3: Cross multiply
    239,892,286.97x = 331,073,546.64 × 145,784,714.69
  4. Step 4: Simplify right side
    239,892,286.97x = 48,265,462,538,599,800
  5. Step 5: Solve for x
    x = 48,265,462,538,599,800/239,892,286.97
  6. Step 6: Final answer
    x = 201,196,391.71

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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.