Home / 69,682,828.33-104,524,408.68-21,161,047.06

Finding the Fourth Proportional to 69,682,828.33, 104,524,408.68 and 21,161,047.06

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Solution

The fourth proportional to 69,682,828.33, 104,524,408.68 and 21,161,047.06 is: 31,741,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,682,828.33 : 104,524,408.68 = 21,161,047.06 : x
  2. Step 2: Convert to fraction form
    69,682,828.33/104,524,408.68 = 21,161,047.06/x
  3. Step 3: Cross multiply
    69,682,828.33x = 104,524,408.68 × 21,161,047.06
  4. Step 4: Simplify right side
    69,682,828.33x = 2,211,845,930,996,152.50
  5. Step 5: Solve for x
    x = 2,211,845,930,996,152.50/69,682,828.33
  6. Step 6: Final answer
    x = 31,741,621.06

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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.