Home / 221,170,269-305,215,102.54-123,385,125

Finding the Fourth Proportional to 221,170,269, 305,215,102.54 and 123,385,125

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Solution

The fourth proportional to 221,170,269, 305,215,102.54 and 123,385,125 is: 170,271,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,170,269 : 305,215,102.54 = 123,385,125 : x
  2. Step 2: Convert to fraction form
    221,170,269/305,215,102.54 = 123,385,125/x
  3. Step 3: Cross multiply
    221,170,269x = 305,215,102.54 × 123,385,125
  4. Step 4: Simplify right side
    221,170,269x = 37,659,003,578,785,720
  5. Step 5: Solve for x
    x = 37,659,003,578,785,720/221,170,269
  6. Step 6: Final answer
    x = 170,271,545.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.