Home / 275,647,730.40-413,471,595.60-122,309,287.20

Finding the Fourth Proportional to 275,647,730.40, 413,471,595.60 and 122,309,287.20

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Solution

The fourth proportional to 275,647,730.40, 413,471,595.60 and 122,309,287.20 is: 183,463,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,647,730.40 : 413,471,595.60 = 122,309,287.20 : x
  2. Step 2: Convert to fraction form
    275,647,730.40/413,471,595.60 = 122,309,287.20/x
  3. Step 3: Cross multiply
    275,647,730.40x = 413,471,595.60 × 122,309,287.20
  4. Step 4: Simplify right side
    275,647,730.40x = 50,571,416,135,282,664
  5. Step 5: Solve for x
    x = 50,571,416,135,282,664/275,647,730.40
  6. Step 6: Final answer
    x = 183,463,930.80

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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.