Home / 307,126,183.30-421,578,081.91-271,539,319.30

Finding the Fourth Proportional to 307,126,183.30, 421,578,081.91 and 271,539,319.30

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Solution

The fourth proportional to 307,126,183.30, 421,578,081.91 and 271,539,319.30 is: 372,729,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,126,183.30 : 421,578,081.91 = 271,539,319.30 : x
  2. Step 2: Convert to fraction form
    307,126,183.30/421,578,081.91 = 271,539,319.30/x
  3. Step 3: Cross multiply
    307,126,183.30x = 421,578,081.91 × 271,539,319.30
  4. Step 4: Simplify right side
    307,126,183.30x = 114,475,025,392,283,344
  5. Step 5: Solve for x
    x = 114,475,025,392,283,344/307,126,183.30
  6. Step 6: Final answer
    x = 372,729,619.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.