Home / 171,373,217.91-256,880,431.08-71,719,959.16

Finding the Fourth Proportional to 171,373,217.91, 256,880,431.08 and 71,719,959.16

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Solution

The fourth proportional to 171,373,217.91, 256,880,431.08 and 71,719,959.16 is: 107,504,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,373,217.91 : 256,880,431.08 = 71,719,959.16 : x
  2. Step 2: Convert to fraction form
    171,373,217.91/256,880,431.08 = 71,719,959.16/x
  3. Step 3: Cross multiply
    171,373,217.91x = 256,880,431.08 × 71,719,959.16
  4. Step 4: Simplify right side
    171,373,217.91x = 18,423,454,026,381,896
  5. Step 5: Solve for x
    x = 18,423,454,026,381,896/171,373,217.91
  6. Step 6: Final answer
    x = 107,504,861.33

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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.