Home / 171,207,540-256,757,362.86-56,165,274.72

Finding the Fourth Proportional to 171,207,540, 256,757,362.86 and 56,165,274.72

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Solution

The fourth proportional to 171,207,540, 256,757,362.86 and 56,165,274.72 is: 84,230,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,207,540 : 256,757,362.86 = 56,165,274.72 : x
  2. Step 2: Convert to fraction form
    171,207,540/256,757,362.86 = 56,165,274.72/x
  3. Step 3: Cross multiply
    171,207,540x = 256,757,362.86 × 56,165,274.72
  4. Step 4: Simplify right side
    171,207,540x = 14,420,847,821,414,626
  5. Step 5: Solve for x
    x = 14,420,847,821,414,626/171,207,540
  6. Step 6: Final answer
    x = 84,230,214.52

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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.