Home / 69,491,392.68-104,234,468.28-20,967,952.32

Finding the Fourth Proportional to 69,491,392.68, 104,234,468.28 and 20,967,952.32

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Solution

The fourth proportional to 69,491,392.68, 104,234,468.28 and 20,967,952.32 is: 31,451,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,491,392.68 : 104,234,468.28 = 20,967,952.32 : x
  2. Step 2: Convert to fraction form
    69,491,392.68/104,234,468.28 = 20,967,952.32/x
  3. Step 3: Cross multiply
    69,491,392.68x = 104,234,468.28 × 20,967,952.32
  4. Step 4: Simplify right side
    69,491,392.68x = 2,185,583,360,995,592.50
  5. Step 5: Solve for x
    x = 2,185,583,360,995,592.50/69,491,392.68
  6. Step 6: Final answer
    x = 31,451,137.71

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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.