Home / 221,170,266-305,215,098.39-123,385,122

Finding the Fourth Proportional to 221,170,266, 305,215,098.39 and 123,385,122

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Solution

The fourth proportional to 221,170,266, 305,215,098.39 and 123,385,122 is: 170,271,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,170,266 : 305,215,098.39 = 123,385,122 : x
  2. Step 2: Convert to fraction form
    221,170,266/305,215,098.39 = 123,385,122/x
  3. Step 3: Cross multiply
    221,170,266x = 305,215,098.39 × 123,385,122
  4. Step 4: Simplify right side
    221,170,266x = 37,659,002,151,092,152
  5. Step 5: Solve for x
    x = 37,659,002,151,092,152/221,170,266
  6. Step 6: Final answer
    x = 170,271,541.61

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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.