Home / 69,682,826.58-104,524,406.06-21,161,045.31

Finding the Fourth Proportional to 69,682,826.58, 104,524,406.06 and 21,161,045.31

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Solution

The fourth proportional to 69,682,826.58, 104,524,406.06 and 21,161,045.31 is: 31,741,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,682,826.58 : 104,524,406.06 = 21,161,045.31 : x
  2. Step 2: Convert to fraction form
    69,682,826.58/104,524,406.06 = 21,161,045.31/x
  3. Step 3: Cross multiply
    69,682,826.58x = 104,524,406.06 × 21,161,045.31
  4. Step 4: Simplify right side
    69,682,826.58x = 2,211,845,692,530,693.25
  5. Step 5: Solve for x
    x = 2,211,845,692,530,693.25/69,682,826.58
  6. Step 6: Final answer
    x = 31,741,618.43

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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.