Home / 323,401,811.92-485,102,662.48-102,228,412.50

Finding the Fourth Proportional to 323,401,811.92, 485,102,662.48 and 102,228,412.50

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Solution

The fourth proportional to 323,401,811.92, 485,102,662.48 and 102,228,412.50 is: 153,342,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,401,811.92 : 485,102,662.48 = 102,228,412.50 : x
  2. Step 2: Convert to fraction form
    323,401,811.92/485,102,662.48 = 102,228,412.50/x
  3. Step 3: Cross multiply
    323,401,811.92x = 485,102,662.48 × 102,228,412.50
  4. Step 4: Simplify right side
    323,401,811.92x = 49,591,275,084,853,712
  5. Step 5: Solve for x
    x = 49,591,275,084,853,712/323,401,811.92
  6. Step 6: Final answer
    x = 153,342,601.24

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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.