Home / 221,242,550.99-305,314,674.24-122,123,272.52

Finding the Fourth Proportional to 221,242,550.99, 305,314,674.24 and 122,123,272.52

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Solution

The fourth proportional to 221,242,550.99, 305,314,674.24 and 122,123,272.52 is: 168,530,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,242,550.99 : 305,314,674.24 = 122,123,272.52 : x
  2. Step 2: Convert to fraction form
    221,242,550.99/305,314,674.24 = 122,123,272.52/x
  3. Step 3: Cross multiply
    221,242,550.99x = 305,314,674.24 × 122,123,272.52
  4. Step 4: Simplify right side
    221,242,550.99x = 37,286,027,167,444,624
  5. Step 5: Solve for x
    x = 37,286,027,167,444,624/221,242,550.99
  6. Step 6: Final answer
    x = 168,530,090.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.