Home / 69,682,825.83-104,524,404.93-21,161,044.56

Finding the Fourth Proportional to 69,682,825.83, 104,524,404.93 and 21,161,044.56

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Solution

The fourth proportional to 69,682,825.83, 104,524,404.93 and 21,161,044.56 is: 31,741,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,682,825.83 : 104,524,404.93 = 21,161,044.56 : x
  2. Step 2: Convert to fraction form
    69,682,825.83/104,524,404.93 = 21,161,044.56/x
  3. Step 3: Cross multiply
    69,682,825.83x = 104,524,404.93 × 21,161,044.56
  4. Step 4: Simplify right side
    69,682,825.83x = 2,211,845,590,331,213.75
  5. Step 5: Solve for x
    x = 2,211,845,590,331,213.75/69,682,825.83
  6. Step 6: Final answer
    x = 31,741,617.31

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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.