Home / 320,804,974.20-481,207,461.30-116,339,719.80

Finding the Fourth Proportional to 320,804,974.20, 481,207,461.30 and 116,339,719.80

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Solution

The fourth proportional to 320,804,974.20, 481,207,461.30 and 116,339,719.80 is: 174,509,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,804,974.20 : 481,207,461.30 = 116,339,719.80 : x
  2. Step 2: Convert to fraction form
    320,804,974.20/481,207,461.30 = 116,339,719.80/x
  3. Step 3: Cross multiply
    320,804,974.20x = 481,207,461.30 × 116,339,719.80
  4. Step 4: Simplify right side
    320,804,974.20x = 55,983,541,213,311,344
  5. Step 5: Solve for x
    x = 55,983,541,213,311,344/320,804,974.20
  6. Step 6: Final answer
    x = 174,509,579.70

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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.