Home / 171,221,418.24-256,832,303.94-80,345,094.72

Finding the Fourth Proportional to 171,221,418.24, 256,832,303.94 and 80,345,094.72

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Solution

The fourth proportional to 171,221,418.24, 256,832,303.94 and 80,345,094.72 is: 120,517,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,221,418.24 : 256,832,303.94 = 80,345,094.72 : x
  2. Step 2: Convert to fraction form
    171,221,418.24/256,832,303.94 = 80,345,094.72/x
  3. Step 3: Cross multiply
    171,221,418.24x = 256,832,303.94 × 80,345,094.72
  4. Step 4: Simplify right side
    171,221,418.24x = 20,635,215,787,215,128
  5. Step 5: Solve for x
    x = 20,635,215,787,215,128/171,221,418.24
  6. Step 6: Final answer
    x = 120,517,724.94

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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.