Home / 69,666,359.22-104,499,872.67-21,144,634.26

Finding the Fourth Proportional to 69,666,359.22, 104,499,872.67 and 21,144,634.26

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Solution

The fourth proportional to 69,666,359.22, 104,499,872.67 and 21,144,634.26 is: 31,717,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,666,359.22 : 104,499,872.67 = 21,144,634.26 : x
  2. Step 2: Convert to fraction form
    69,666,359.22/104,499,872.67 = 21,144,634.26/x
  3. Step 3: Cross multiply
    69,666,359.22x = 104,499,872.67 × 21,144,634.26
  4. Step 4: Simplify right side
    69,666,359.22x = 2,209,611,587,823,720
  5. Step 5: Solve for x
    x = 2,209,611,587,823,720/69,666,359.22
  6. Step 6: Final answer
    x = 31,717,052.71

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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.