Home / 68,778,330.39-103,168,545.55-17,659,217.43

Finding the Fourth Proportional to 68,778,330.39, 103,168,545.55 and 17,659,217.43

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Solution

The fourth proportional to 68,778,330.39, 103,168,545.55 and 17,659,217.43 is: 26,489,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,778,330.39 : 103,168,545.55 = 17,659,217.43 : x
  2. Step 2: Convert to fraction form
    68,778,330.39/103,168,545.55 = 17,659,217.43/x
  3. Step 3: Cross multiply
    68,778,330.39x = 103,168,545.55 × 17,659,217.43
  4. Step 4: Simplify right side
    68,778,330.39x = 1,821,875,777,760,160.75
  5. Step 5: Solve for x
    x = 1,821,875,777,760,160.75/68,778,330.39
  6. Step 6: Final answer
    x = 26,489,095.73

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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.