Home / 68,307,395.96-102,453,521.46-17,189,428.60

Finding the Fourth Proportional to 68,307,395.96, 102,453,521.46 and 17,189,428.60

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Solution

The fourth proportional to 68,307,395.96, 102,453,521.46 and 17,189,428.60 is: 25,782,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,307,395.96 : 102,453,521.46 = 17,189,428.60 : x
  2. Step 2: Convert to fraction form
    68,307,395.96/102,453,521.46 = 17,189,428.60/x
  3. Step 3: Cross multiply
    68,307,395.96x = 102,453,521.46 × 17,189,428.60
  4. Step 4: Simplify right side
    68,307,395.96x = 1,761,117,491,955,237.75
  5. Step 5: Solve for x
    x = 1,761,117,491,955,237.75/68,307,395.96
  6. Step 6: Final answer
    x = 25,782,237.30

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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.