Home / 45,612,625.52-68,418,388.28-18,318,428.12

Finding the Fourth Proportional to 45,612,625.52, 68,418,388.28 and 18,318,428.12

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Solution

The fourth proportional to 45,612,625.52, 68,418,388.28 and 18,318,428.12 is: 27,477,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,612,625.52 : 68,418,388.28 = 18,318,428.12 : x
  2. Step 2: Convert to fraction form
    45,612,625.52/68,418,388.28 = 18,318,428.12/x
  3. Step 3: Cross multiply
    45,612,625.52x = 68,418,388.28 × 18,318,428.12
  4. Step 4: Simplify right side
    45,612,625.52x = 1,253,317,327,497,134.50
  5. Step 5: Solve for x
    x = 1,253,317,327,497,134.50/45,612,625.52
  6. Step 6: Final answer
    x = 27,477,421.29

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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.