Home / 228,568,920.11-315,419,744.67-134,489,160.66

Finding the Fourth Proportional to 228,568,920.11, 315,419,744.67 and 134,489,160.66

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Solution

The fourth proportional to 228,568,920.11, 315,419,744.67 and 134,489,160.66 is: 185,591,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,568,920.11 : 315,419,744.67 = 134,489,160.66 : x
  2. Step 2: Convert to fraction form
    228,568,920.11/315,419,744.67 = 134,489,160.66/x
  3. Step 3: Cross multiply
    228,568,920.11x = 315,419,744.67 × 134,489,160.66
  4. Step 4: Simplify right side
    228,568,920.11x = 42,420,536,716,259,808
  5. Step 5: Solve for x
    x = 42,420,536,716,259,808/228,568,920.11
  6. Step 6: Final answer
    x = 185,591,884.92

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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.