Home / 198,587,101.77-274,052,722.50-109,289,327.31

Finding the Fourth Proportional to 198,587,101.77, 274,052,722.50 and 109,289,327.31

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Solution

The fourth proportional to 198,587,101.77, 274,052,722.50 and 109,289,327.31 is: 150,820,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,587,101.77 : 274,052,722.50 = 109,289,327.31 : x
  2. Step 2: Convert to fraction form
    198,587,101.77/274,052,722.50 = 109,289,327.31/x
  3. Step 3: Cross multiply
    198,587,101.77x = 274,052,722.50 × 109,289,327.31
  4. Step 4: Simplify right side
    198,587,101.77x = 29,951,037,689,499,104
  5. Step 5: Solve for x
    x = 29,951,037,689,499,104/198,587,101.77
  6. Step 6: Final answer
    x = 150,820,659.66

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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.