Home / 68,990,635.73-103,496,289.20-22,288,516.49

Finding the Fourth Proportional to 68,990,635.73, 103,496,289.20 and 22,288,516.49

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Solution

The fourth proportional to 68,990,635.73, 103,496,289.20 and 22,288,516.49 is: 33,436,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,990,635.73 : 103,496,289.20 = 22,288,516.49 : x
  2. Step 2: Convert to fraction form
    68,990,635.73/103,496,289.20 = 22,288,516.49/x
  3. Step 3: Cross multiply
    68,990,635.73x = 103,496,289.20 × 22,288,516.49
  4. Step 4: Simplify right side
    68,990,635.73x = 2,306,778,747,859,084.50
  5. Step 5: Solve for x
    x = 2,306,778,747,859,084.50/68,990,635.73
  6. Step 6: Final answer
    x = 33,436,113.81

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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.