Home / 80,829,660.27-111,544,975.85-43,659,940.34

Finding the Fourth Proportional to 80,829,660.27, 111,544,975.85 and 43,659,940.34

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Solution

The fourth proportional to 80,829,660.27, 111,544,975.85 and 43,659,940.34 is: 60,250,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,829,660.27 : 111,544,975.85 = 43,659,940.34 : x
  2. Step 2: Convert to fraction form
    80,829,660.27/111,544,975.85 = 43,659,940.34/x
  3. Step 3: Cross multiply
    80,829,660.27x = 111,544,975.85 × 43,659,940.34
  4. Step 4: Simplify right side
    80,829,660.27x = 4,870,046,990,061,716
  5. Step 5: Solve for x
    x = 4,870,046,990,061,716/80,829,660.27
  6. Step 6: Final answer
    x = 60,250,741.79

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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.