Home / 323,688,105.42-446,724,202.20-198,323,498.58

Finding the Fourth Proportional to 323,688,105.42, 446,724,202.20 and 198,323,498.58

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Solution

The fourth proportional to 323,688,105.42, 446,724,202.20 and 198,323,498.58 is: 273,707,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,688,105.42 : 446,724,202.20 = 198,323,498.58 : x
  2. Step 2: Convert to fraction form
    323,688,105.42/446,724,202.20 = 198,323,498.58/x
  3. Step 3: Cross multiply
    323,688,105.42x = 446,724,202.20 × 198,323,498.58
  4. Step 4: Simplify right side
    323,688,105.42x = 88,595,906,680,663,344
  5. Step 5: Solve for x
    x = 88,595,906,680,663,344/323,688,105.42
  6. Step 6: Final answer
    x = 273,707,637.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.