Home / 228,568,874.69-315,419,682.20-134,489,115.11

Finding the Fourth Proportional to 228,568,874.69, 315,419,682.20 and 134,489,115.11

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Solution

The fourth proportional to 228,568,874.69, 315,419,682.20 and 134,489,115.11 is: 185,591,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,568,874.69 : 315,419,682.20 = 134,489,115.11 : x
  2. Step 2: Convert to fraction form
    228,568,874.69/315,419,682.20 = 134,489,115.11/x
  3. Step 3: Cross multiply
    228,568,874.69x = 315,419,682.20 × 134,489,115.11
  4. Step 4: Simplify right side
    228,568,874.69x = 42,420,513,945,105,872
  5. Step 5: Solve for x
    x = 42,420,513,945,105,872/228,568,874.69
  6. Step 6: Final answer
    x = 185,591,822.17

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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.