Home / 68,116,245.30-102,202,361.55-25,006,101.30

Finding the Fourth Proportional to 68,116,245.30, 102,202,361.55 and 25,006,101.30

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Solution

The fourth proportional to 68,116,245.30, 102,202,361.55 and 25,006,101.30 is: 37,519,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,116,245.30 : 102,202,361.55 = 25,006,101.30 : x
  2. Step 2: Convert to fraction form
    68,116,245.30/102,202,361.55 = 25,006,101.30/x
  3. Step 3: Cross multiply
    68,116,245.30x = 102,202,361.55 × 25,006,101.30
  4. Step 4: Simplify right side
    68,116,245.30x = 2,555,682,606,018,525
  5. Step 5: Solve for x
    x = 2,555,682,606,018,525/68,116,245.30
  6. Step 6: Final answer
    x = 37,519,428.66

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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.