Home / 198,688,212.06-274,184,893.46-109,379,430.35

Finding the Fourth Proportional to 198,688,212.06, 274,184,893.46 and 109,379,430.35

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Solution

The fourth proportional to 198,688,212.06, 274,184,893.46 and 109,379,430.35 is: 150,940,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,688,212.06 : 274,184,893.46 = 109,379,430.35 : x
  2. Step 2: Convert to fraction form
    198,688,212.06/274,184,893.46 = 109,379,430.35/x
  3. Step 3: Cross multiply
    198,688,212.06x = 274,184,893.46 × 109,379,430.35
  4. Step 4: Simplify right side
    198,688,212.06x = 29,990,187,458,189,152
  5. Step 5: Solve for x
    x = 29,990,187,458,189,152/198,688,212.06
  6. Step 6: Final answer
    x = 150,940,949.88

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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.