Home / 68,802,900.73-103,222,213.41-25,672,428.56

Finding the Fourth Proportional to 68,802,900.73, 103,222,213.41 and 25,672,428.56

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Solution

The fourth proportional to 68,802,900.73, 103,222,213.41 and 25,672,428.56 is: 38,515,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,802,900.73 : 103,222,213.41 = 25,672,428.56 : x
  2. Step 2: Convert to fraction form
    68,802,900.73/103,222,213.41 = 25,672,428.56/x
  3. Step 3: Cross multiply
    68,802,900.73x = 103,222,213.41 × 25,672,428.56
  4. Step 4: Simplify right side
    68,802,900.73x = 2,649,964,899,927,626
  5. Step 5: Solve for x
    x = 2,649,964,899,927,626/68,802,900.73
  6. Step 6: Final answer
    x = 38,515,307.81

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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.