Home / 252,584,607.79-378,890,493.41-80,074,873.38

Finding the Fourth Proportional to 252,584,607.79, 378,890,493.41 and 80,074,873.38

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Solution

The fourth proportional to 252,584,607.79, 378,890,493.41 and 80,074,873.38 is: 120,116,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,584,607.79 : 378,890,493.41 = 80,074,873.38 : x
  2. Step 2: Convert to fraction form
    252,584,607.79/378,890,493.41 = 80,074,873.38/x
  3. Step 3: Cross multiply
    252,584,607.79x = 378,890,493.41 × 80,074,873.38
  4. Step 4: Simplify right side
    252,584,607.79x = 30,339,608,284,691,476
  5. Step 5: Solve for x
    x = 30,339,608,284,691,476/252,584,607.79
  6. Step 6: Final answer
    x = 120,116,615.78

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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.