Home / 80,829,660.69-111,544,976.57-43,659,940.82

Finding the Fourth Proportional to 80,829,660.69, 111,544,976.57 and 43,659,940.82

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Solution

The fourth proportional to 80,829,660.69, 111,544,976.57 and 43,659,940.82 is: 60,250,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,829,660.69 : 111,544,976.57 = 43,659,940.82 : x
  2. Step 2: Convert to fraction form
    80,829,660.69/111,544,976.57 = 43,659,940.82/x
  3. Step 3: Cross multiply
    80,829,660.69x = 111,544,976.57 × 43,659,940.82
  4. Step 4: Simplify right side
    80,829,660.69x = 4,870,047,075,038,462
  5. Step 5: Solve for x
    x = 4,870,047,075,038,462/80,829,660.69
  6. Step 6: Final answer
    x = 60,250,742.53

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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.