Home / 323,688,106.89-446,724,204.24-198,323,500.05

Finding the Fourth Proportional to 323,688,106.89, 446,724,204.24 and 198,323,500.05

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Solution

The fourth proportional to 323,688,106.89, 446,724,204.24 and 198,323,500.05 is: 273,707,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,688,106.89 : 446,724,204.24 = 198,323,500.05 : x
  2. Step 2: Convert to fraction form
    323,688,106.89/446,724,204.24 = 198,323,500.05/x
  3. Step 3: Cross multiply
    323,688,106.89x = 446,724,204.24 × 198,323,500.05
  4. Step 4: Simplify right side
    323,688,106.89x = 88,595,907,741,927,856
  5. Step 5: Solve for x
    x = 88,595,907,741,927,856/323,688,106.89
  6. Step 6: Final answer
    x = 273,707,639.72

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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.