Home / 147,612,980.80-221,425,523.52-50,635,380.88

Finding the Fourth Proportional to 147,612,980.80, 221,425,523.52 and 50,635,380.88

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Solution

The fourth proportional to 147,612,980.80, 221,425,523.52 and 50,635,380.88 is: 75,955,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,612,980.80 : 221,425,523.52 = 50,635,380.88 : x
  2. Step 2: Convert to fraction form
    147,612,980.80/221,425,523.52 = 50,635,380.88/x
  3. Step 3: Cross multiply
    147,612,980.80x = 221,425,523.52 × 50,635,380.88
  4. Step 4: Simplify right side
    147,612,980.80x = 11,211,965,719,988,600
  5. Step 5: Solve for x
    x = 11,211,965,719,988,600/147,612,980.80
  6. Step 6: Final answer
    x = 75,955,147.44

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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.