Home / 198,688,213.06-274,184,894.84-109,379,431.35

Finding the Fourth Proportional to 198,688,213.06, 274,184,894.84 and 109,379,431.35

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Solution

The fourth proportional to 198,688,213.06, 274,184,894.84 and 109,379,431.35 is: 150,940,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,688,213.06 : 274,184,894.84 = 109,379,431.35 : x
  2. Step 2: Convert to fraction form
    198,688,213.06/274,184,894.84 = 109,379,431.35/x
  3. Step 3: Cross multiply
    198,688,213.06x = 274,184,894.84 × 109,379,431.35
  4. Step 4: Simplify right side
    198,688,213.06x = 29,990,187,882,358,744
  5. Step 5: Solve for x
    x = 29,990,187,882,358,744/198,688,213.06
  6. Step 6: Final answer
    x = 150,940,951.25

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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.