Home / 80,829,660.65-111,544,976.37-43,659,940.70

Finding the Fourth Proportional to 80,829,660.65, 111,544,976.37 and 43,659,940.70

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Solution

The fourth proportional to 80,829,660.65, 111,544,976.37 and 43,659,940.70 is: 60,250,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,829,660.65 : 111,544,976.37 = 43,659,940.70 : x
  2. Step 2: Convert to fraction form
    80,829,660.65/111,544,976.37 = 43,659,940.70/x
  3. Step 3: Cross multiply
    80,829,660.65x = 111,544,976.37 × 43,659,940.70
  4. Step 4: Simplify right side
    80,829,660.65x = 4,870,047,053,975,964
  5. Step 5: Solve for x
    x = 4,870,047,053,975,964/80,829,660.65
  6. Step 6: Final answer
    x = 60,250,742.30

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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.