Home / 228,568,921.61-315,419,746.74-134,489,162.16

Finding the Fourth Proportional to 228,568,921.61, 315,419,746.74 and 134,489,162.16

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Solution

The fourth proportional to 228,568,921.61, 315,419,746.74 and 134,489,162.16 is: 185,591,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,568,921.61 : 315,419,746.74 = 134,489,162.16 : x
  2. Step 2: Convert to fraction form
    228,568,921.61/315,419,746.74 = 134,489,162.16/x
  3. Step 3: Cross multiply
    228,568,921.61x = 315,419,746.74 × 134,489,162.16
  4. Step 4: Simplify right side
    228,568,921.61x = 42,420,537,467,781,992
  5. Step 5: Solve for x
    x = 42,420,537,467,781,992/228,568,921.61
  6. Step 6: Final answer
    x = 185,591,886.99

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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.