Home / 253,161,845.76-379,617,144.96-80,616,178.56

Finding the Fourth Proportional to 253,161,845.76, 379,617,144.96 and 80,616,178.56

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Solution

The fourth proportional to 253,161,845.76, 379,617,144.96 and 80,616,178.56 is: 120,884,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,161,845.76 : 379,617,144.96 = 80,616,178.56 : x
  2. Step 2: Convert to fraction form
    253,161,845.76/379,617,144.96 = 80,616,178.56/x
  3. Step 3: Cross multiply
    253,161,845.76x = 379,617,144.96 × 80,616,178.56
  4. Step 4: Simplify right side
    253,161,845.76x = 30,603,283,542,532,764
  5. Step 5: Solve for x
    x = 30,603,283,542,532,764/253,161,845.76
  6. Step 6: Final answer
    x = 120,884,264.57

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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.