Home / 279,914,540.46-419,843,461.74-75,463,282.86

Finding the Fourth Proportional to 279,914,540.46, 419,843,461.74 and 75,463,282.86

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Solution

The fourth proportional to 279,914,540.46, 419,843,461.74 and 75,463,282.86 is: 113,187,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,914,540.46 : 419,843,461.74 = 75,463,282.86 : x
  2. Step 2: Convert to fraction form
    279,914,540.46/419,843,461.74 = 75,463,282.86/x
  3. Step 3: Cross multiply
    279,914,540.46x = 419,843,461.74 × 75,463,282.86
  4. Step 4: Simplify right side
    279,914,540.46x = 31,682,765,910,207,208
  5. Step 5: Solve for x
    x = 31,682,765,910,207,208/279,914,540.46
  6. Step 6: Final answer
    x = 113,187,281.58

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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.