Home / 72,581,512.80-108,869,936.40-24,061,605.60

Finding the Fourth Proportional to 72,581,512.80, 108,869,936.40 and 24,061,605.60

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Solution

The fourth proportional to 72,581,512.80, 108,869,936.40 and 24,061,605.60 is: 36,091,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,512.80 : 108,869,936.40 = 24,061,605.60 : x
  2. Step 2: Convert to fraction form
    72,581,512.80/108,869,936.40 = 24,061,605.60/x
  3. Step 3: Cross multiply
    72,581,512.80x = 108,869,936.40 × 24,061,605.60
  4. Step 4: Simplify right side
    72,581,512.80x = 2,619,585,471,353,884
  5. Step 5: Solve for x
    x = 2,619,585,471,353,884/72,581,512.80
  6. Step 6: Final answer
    x = 36,091,635.05

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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.