Home / 422,294,728.88-633,541,237.32-131,146,825.52

Finding the Fourth Proportional to 422,294,728.88, 633,541,237.32 and 131,146,825.52

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Solution

The fourth proportional to 422,294,728.88, 633,541,237.32 and 131,146,825.52 is: 196,751,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,294,728.88 : 633,541,237.32 = 131,146,825.52 : x
  2. Step 2: Convert to fraction form
    422,294,728.88/633,541,237.32 = 131,146,825.52/x
  3. Step 3: Cross multiply
    422,294,728.88x = 633,541,237.32 × 131,146,825.52
  4. Step 4: Simplify right side
    422,294,728.88x = 83,086,922,110,530,960
  5. Step 5: Solve for x
    x = 83,086,922,110,530,960/422,294,728.88
  6. Step 6: Final answer
    x = 196,751,028.20

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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.