Finding the Fourth Proportional to 218,235,765.52, 327,498,229.44 and 119,936,120.08
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Solution
The fourth proportional to 218,235,765.52, 327,498,229.44 and 119,936,120.08 is: 179,983,637.78
Step by Step Solution
- Step 1: Write the proportion equation
218,235,765.52 : 327,498,229.44 = 119,936,120.08 : x - Step 2: Convert to fraction form
218,235,765.52/327,498,229.44 = 119,936,120.08/x - Step 3: Cross multiply
218,235,765.52x = 327,498,229.44 × 119,936,120.08 - Step 4: Simplify right side
218,235,765.52x = 39,278,866,972,103,232 - Step 5: Solve for x
x = 39,278,866,972,103,232/218,235,765.52 - Step 6: Final answer
x = 179,983,637.78
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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.