Home / 218,451,278.06-327,674,671.43-126,276,365.19

Finding the Fourth Proportional to 218,451,278.06, 327,674,671.43 and 126,276,365.19

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Solution

The fourth proportional to 218,451,278.06, 327,674,671.43 and 126,276,365.19 is: 189,413,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,451,278.06 : 327,674,671.43 = 126,276,365.19 : x
  2. Step 2: Convert to fraction form
    218,451,278.06/327,674,671.43 = 126,276,365.19/x
  3. Step 3: Cross multiply
    218,451,278.06x = 327,674,671.43 × 126,276,365.19
  4. Step 4: Simplify right side
    218,451,278.06x = 41,377,566,472,471,464
  5. Step 5: Solve for x
    x = 41,377,566,472,471,464/218,451,278.06
  6. Step 6: Final answer
    x = 189,413,249.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.