Home / 303,219,524.81-418,442,940.98-163,990,286.57

Finding the Fourth Proportional to 303,219,524.81, 418,442,940.98 and 163,990,286.57

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Solution

The fourth proportional to 303,219,524.81, 418,442,940.98 and 163,990,286.57 is: 226,306,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,219,524.81 : 418,442,940.98 = 163,990,286.57 : x
  2. Step 2: Convert to fraction form
    303,219,524.81/418,442,940.98 = 163,990,286.57/x
  3. Step 3: Cross multiply
    303,219,524.81x = 418,442,940.98 × 163,990,286.57
  4. Step 4: Simplify right side
    303,219,524.81x = 68,620,577,806,268,176
  5. Step 5: Solve for x
    x = 68,620,577,806,268,176/303,219,524.81
  6. Step 6: Final answer
    x = 226,306,593.71

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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.