Home / 303,200,620.20-418,418,116.97-163,971,381.96

Finding the Fourth Proportional to 303,200,620.20, 418,418,116.97 and 163,971,381.96

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Solution

The fourth proportional to 303,200,620.20, 418,418,116.97 and 163,971,381.96 is: 226,281,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200,620.20 : 418,418,116.97 = 163,971,381.96 : x
  2. Step 2: Convert to fraction form
    303,200,620.20/418,418,116.97 = 163,971,381.96/x
  3. Step 3: Cross multiply
    303,200,620.20x = 418,418,116.97 × 163,971,381.96
  4. Step 4: Simplify right side
    303,200,620.20x = 68,608,596,876,671,840
  5. Step 5: Solve for x
    x = 68,608,596,876,671,840/303,200,620.20
  6. Step 6: Final answer
    x = 226,281,189.11

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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.