Home / 290,439,732.88-400,806,839.55-160,059,540.88

Finding the Fourth Proportional to 290,439,732.88, 400,806,839.55 and 160,059,540.88

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Solution

The fourth proportional to 290,439,732.88, 400,806,839.55 and 160,059,540.88 is: 220,882,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,439,732.88 : 400,806,839.55 = 160,059,540.88 : x
  2. Step 2: Convert to fraction form
    290,439,732.88/400,806,839.55 = 160,059,540.88/x
  3. Step 3: Cross multiply
    290,439,732.88x = 400,806,839.55 × 160,059,540.88
  4. Step 4: Simplify right side
    290,439,732.88x = 64,152,958,719,936,824
  5. Step 5: Solve for x
    x = 64,152,958,719,936,824/290,439,732.88
  6. Step 6: Final answer
    x = 220,882,170.92

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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.