Home / 323,972,280.40-485,979,969.36-113,857,554.24

Finding the Fourth Proportional to 323,972,280.40, 485,979,969.36 and 113,857,554.24

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Solution

The fourth proportional to 323,972,280.40, 485,979,969.36 and 113,857,554.24 is: 170,793,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,972,280.40 : 485,979,969.36 = 113,857,554.24 : x
  2. Step 2: Convert to fraction form
    323,972,280.40/485,979,969.36 = 113,857,554.24/x
  3. Step 3: Cross multiply
    323,972,280.40x = 485,979,969.36 × 113,857,554.24
  4. Step 4: Simplify right side
    323,972,280.40x = 55,332,490,720,959,736
  5. Step 5: Solve for x
    x = 55,332,490,720,959,736/323,972,280.40
  6. Step 6: Final answer
    x = 170,793,904.51

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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.