Home / 303,200,672.85-418,418,189.16-163,971,434.55

Finding the Fourth Proportional to 303,200,672.85, 418,418,189.16 and 163,971,434.55

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Solution

The fourth proportional to 303,200,672.85, 418,418,189.16 and 163,971,434.55 is: 226,281,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200,672.85 : 418,418,189.16 = 163,971,434.55 : x
  2. Step 2: Convert to fraction form
    303,200,672.85/418,418,189.16 = 163,971,434.55/x
  3. Step 3: Cross multiply
    303,200,672.85x = 418,418,189.16 × 163,971,434.55
  4. Step 4: Simplify right side
    303,200,672.85x = 68,608,630,718,378,472
  5. Step 5: Solve for x
    x = 68,608,630,718,378,472/303,200,672.85
  6. Step 6: Final answer
    x = 226,281,261.43

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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.