Home / 323,972,229.88-485,979,893.61-113,857,503.76

Finding the Fourth Proportional to 323,972,229.88, 485,979,893.61 and 113,857,503.76

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Solution

The fourth proportional to 323,972,229.88, 485,979,893.61 and 113,857,503.76 is: 170,793,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,972,229.88 : 485,979,893.61 = 113,857,503.76 : x
  2. Step 2: Convert to fraction form
    323,972,229.88/485,979,893.61 = 113,857,503.76/x
  3. Step 3: Cross multiply
    323,972,229.88x = 485,979,893.61 × 113,857,503.76
  4. Step 4: Simplify right side
    323,972,229.88x = 55,332,457,563,984,976
  5. Step 5: Solve for x
    x = 55,332,457,563,984,976/323,972,229.88
  6. Step 6: Final answer
    x = 170,793,828.79

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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.