Home / 323,401,790.80-485,102,630.82-102,228,391.36

Finding the Fourth Proportional to 323,401,790.80, 485,102,630.82 and 102,228,391.36

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Solution

The fourth proportional to 323,401,790.80, 485,102,630.82 and 102,228,391.36 is: 153,342,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,401,790.80 : 485,102,630.82 = 102,228,391.36 : x
  2. Step 2: Convert to fraction form
    323,401,790.80/485,102,630.82 = 102,228,391.36/x
  3. Step 3: Cross multiply
    323,401,790.80x = 485,102,630.82 × 102,228,391.36
  4. Step 4: Simplify right side
    323,401,790.80x = 49,591,261,590,919,448
  5. Step 5: Solve for x
    x = 49,591,261,590,919,448/323,401,790.80
  6. Step 6: Final answer
    x = 153,342,569.53

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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.