Home / 52,866,163.26-72,959,921.78-30,846,756.54

Finding the Fourth Proportional to 52,866,163.26, 72,959,921.78 and 30,846,756.54

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Solution

The fourth proportional to 52,866,163.26, 72,959,921.78 and 30,846,756.54 is: 42,571,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,866,163.26 : 72,959,921.78 = 30,846,756.54 : x
  2. Step 2: Convert to fraction form
    52,866,163.26/72,959,921.78 = 30,846,756.54/x
  3. Step 3: Cross multiply
    52,866,163.26x = 72,959,921.78 × 30,846,756.54
  4. Step 4: Simplify right side
    52,866,163.26x = 2,250,576,944,170,869.75
  5. Step 5: Solve for x
    x = 2,250,576,944,170,869.75/52,866,163.26
  6. Step 6: Final answer
    x = 42,571,217.68

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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.