Home / 69,491,533.91-104,238,038.97-20,969,814.20

Finding the Fourth Proportional to 69,491,533.91, 104,238,038.97 and 20,969,814.20

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Solution

The fourth proportional to 69,491,533.91, 104,238,038.97 and 20,969,814.20 is: 31,454,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,491,533.91 : 104,238,038.97 = 20,969,814.20 : x
  2. Step 2: Convert to fraction form
    69,491,533.91/104,238,038.97 = 20,969,814.20/x
  3. Step 3: Cross multiply
    69,491,533.91x = 104,238,038.97 × 20,969,814.20
  4. Step 4: Simplify right side
    69,491,533.91x = 2,185,852,309,252,069.25
  5. Step 5: Solve for x
    x = 2,185,852,309,252,069.25/69,491,533.91
  6. Step 6: Final answer
    x = 31,454,944.03

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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.