Home / 171,373,213.39-256,880,424.35-71,719,954.64

Finding the Fourth Proportional to 171,373,213.39, 256,880,424.35 and 71,719,954.64

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Solution

The fourth proportional to 171,373,213.39, 256,880,424.35 and 71,719,954.64 is: 107,504,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,373,213.39 : 256,880,424.35 = 71,719,954.64 : x
  2. Step 2: Convert to fraction form
    171,373,213.39/256,880,424.35 = 71,719,954.64/x
  3. Step 3: Cross multiply
    171,373,213.39x = 256,880,424.35 × 71,719,954.64
  4. Step 4: Simplify right side
    171,373,213.39x = 18,423,452,383,185,780
  5. Step 5: Solve for x
    x = 18,423,452,383,185,780/171,373,213.39
  6. Step 6: Final answer
    x = 107,504,854.57

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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.