Home / 253,161,846.76-379,617,146.46-80,616,179.56

Finding the Fourth Proportional to 253,161,846.76, 379,617,146.46 and 80,616,179.56

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Solution

The fourth proportional to 253,161,846.76, 379,617,146.46 and 80,616,179.56 is: 120,884,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,161,846.76 : 379,617,146.46 = 80,616,179.56 : x
  2. Step 2: Convert to fraction form
    253,161,846.76/379,617,146.46 = 80,616,179.56/x
  3. Step 3: Cross multiply
    253,161,846.76x = 379,617,146.46 × 80,616,179.56
  4. Step 4: Simplify right side
    253,161,846.76x = 30,603,284,043,074,176
  5. Step 5: Solve for x
    x = 30,603,284,043,074,176/253,161,846.76
  6. Step 6: Final answer
    x = 120,884,266.07

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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.