Home / 197,814,871.26-296,767,512.18-68,422,372.20

Finding the Fourth Proportional to 197,814,871.26, 296,767,512.18 and 68,422,372.20

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Solution

The fourth proportional to 197,814,871.26, 296,767,512.18 and 68,422,372.20 is: 102,649,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,814,871.26 : 296,767,512.18 = 68,422,372.20 : x
  2. Step 2: Convert to fraction form
    197,814,871.26/296,767,512.18 = 68,422,372.20/x
  3. Step 3: Cross multiply
    197,814,871.26x = 296,767,512.18 × 68,422,372.20
  4. Step 4: Simplify right side
    197,814,871.26x = 20,305,537,175,247,996
  5. Step 5: Solve for x
    x = 20,305,537,175,247,996/197,814,871.26
  6. Step 6: Final answer
    x = 102,649,194.40

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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.