Home / 69,348,571.31-104,037,764.73-20,165,279.36

Finding the Fourth Proportional to 69,348,571.31, 104,037,764.73 and 20,165,279.36

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Solution

The fourth proportional to 69,348,571.31, 104,037,764.73 and 20,165,279.36 is: 30,252,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,348,571.31 : 104,037,764.73 = 20,165,279.36 : x
  2. Step 2: Convert to fraction form
    69,348,571.31/104,037,764.73 = 20,165,279.36/x
  3. Step 3: Cross multiply
    69,348,571.31x = 104,037,764.73 × 20,165,279.36
  4. Step 4: Simplify right side
    69,348,571.31x = 2,097,950,589,770,405
  5. Step 5: Solve for x
    x = 2,097,950,589,770,405/69,348,571.31
  6. Step 6: Final answer
    x = 30,252,253.94

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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.