Home / 70,332,753.08-105,489,552.35-18,513,016.43

Finding the Fourth Proportional to 70,332,753.08, 105,489,552.35 and 18,513,016.43

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Solution

The fourth proportional to 70,332,753.08, 105,489,552.35 and 18,513,016.43 is: 27,767,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,332,753.08 : 105,489,552.35 = 18,513,016.43 : x
  2. Step 2: Convert to fraction form
    70,332,753.08/105,489,552.35 = 18,513,016.43/x
  3. Step 3: Cross multiply
    70,332,753.08x = 105,489,552.35 × 18,513,016.43
  4. Step 4: Simplify right side
    70,332,753.08x = 1,952,929,815,228,882.25
  5. Step 5: Solve for x
    x = 1,952,929,815,228,882.25/70,332,753.08
  6. Step 6: Final answer
    x = 27,767,003.71

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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.