Home / 171,285,517.08-256,983,607.88-79,229,641.86

Finding the Fourth Proportional to 171,285,517.08, 256,983,607.88 and 79,229,641.86

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Solution

The fourth proportional to 171,285,517.08, 256,983,607.88 and 79,229,641.86 is: 118,870,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,285,517.08 : 256,983,607.88 = 79,229,641.86 : x
  2. Step 2: Convert to fraction form
    171,285,517.08/256,983,607.88 = 79,229,641.86/x
  3. Step 3: Cross multiply
    171,285,517.08x = 256,983,607.88 × 79,229,641.86
  4. Step 4: Simplify right side
    171,285,517.08x = 20,360,719,215,826,924
  5. Step 5: Solve for x
    x = 20,360,719,215,826,924/171,285,517.08
  6. Step 6: Final answer
    x = 118,870,057.22

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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.