Home / 43,435,163.28-65,053,517.52-20,732,003.76

Finding the Fourth Proportional to 43,435,163.28, 65,053,517.52 and 20,732,003.76

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Solution

The fourth proportional to 43,435,163.28, 65,053,517.52 and 20,732,003.76 is: 31,050,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,435,163.28 : 65,053,517.52 = 20,732,003.76 : x
  2. Step 2: Convert to fraction form
    43,435,163.28/65,053,517.52 = 20,732,003.76/x
  3. Step 3: Cross multiply
    43,435,163.28x = 65,053,517.52 × 20,732,003.76
  4. Step 4: Simplify right side
    43,435,163.28x = 1,348,689,769,825,866
  5. Step 5: Solve for x
    x = 1,348,689,769,825,866/43,435,163.28
  6. Step 6: Final answer
    x = 31,050,643.49

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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.