Home / 71,914,130.28-107,947,958.04-30,993,764.04

Finding the Fourth Proportional to 71,914,130.28, 107,947,958.04 and 30,993,764.04

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Solution

The fourth proportional to 71,914,130.28, 107,947,958.04 and 30,993,764.04 is: 46,523,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,914,130.28 : 107,947,958.04 = 30,993,764.04 : x
  2. Step 2: Convert to fraction form
    71,914,130.28/107,947,958.04 = 30,993,764.04/x
  3. Step 3: Cross multiply
    71,914,130.28x = 107,947,958.04 × 30,993,764.04
  4. Step 4: Simplify right side
    71,914,130.28x = 3,345,713,540,091,581
  5. Step 5: Solve for x
    x = 3,345,713,540,091,581/71,914,130.28
  6. Step 6: Final answer
    x = 46,523,729.44

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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.