Home / 198,688,201.94-274,184,879.50-109,379,420.24

Finding the Fourth Proportional to 198,688,201.94, 274,184,879.50 and 109,379,420.24

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Solution

The fourth proportional to 198,688,201.94, 274,184,879.50 and 109,379,420.24 is: 150,940,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,688,201.94 : 274,184,879.50 = 109,379,420.24 : x
  2. Step 2: Convert to fraction form
    198,688,201.94/274,184,879.50 = 109,379,420.24/x
  3. Step 3: Cross multiply
    198,688,201.94x = 274,184,879.50 × 109,379,420.24
  4. Step 4: Simplify right side
    198,688,201.94x = 29,990,183,156,639,888
  5. Step 5: Solve for x
    x = 29,990,183,156,639,888/198,688,201.94
  6. Step 6: Final answer
    x = 150,940,935.92

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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.