Home / 305,973,879.84-422,233,229.52-166,741,800.48

Finding the Fourth Proportional to 305,973,879.84, 422,233,229.52 and 166,741,800.48

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Solution

The fourth proportional to 305,973,879.84, 422,233,229.52 and 166,741,800.48 is: 230,097,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,973,879.84 : 422,233,229.52 = 166,741,800.48 : x
  2. Step 2: Convert to fraction form
    305,973,879.84/422,233,229.52 = 166,741,800.48/x
  3. Step 3: Cross multiply
    305,973,879.84x = 422,233,229.52 × 166,741,800.48
  4. Step 4: Simplify right side
    305,973,879.84x = 70,403,928,912,649,880
  5. Step 5: Solve for x
    x = 70,403,928,912,649,880/305,973,879.84
  6. Step 6: Final answer
    x = 230,097,840.21

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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.