Finding the Fourth Proportional to 170,322,317.84, 255,504,723.87 and 66,678,135.23
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Solution
The fourth proportional to 170,322,317.84, 255,504,723.87 and 66,678,135.23 is: 100,025,520.71
Step by Step Solution
- Step 1: Write the proportion equation
170,322,317.84 : 255,504,723.87 = 66,678,135.23 : x - Step 2: Convert to fraction form
170,322,317.84/255,504,723.87 = 66,678,135.23/x - Step 3: Cross multiply
170,322,317.84x = 255,504,723.87 × 66,678,135.23 - Step 4: Simplify right side
170,322,317.84x = 17,036,578,530,107,668 - Step 5: Solve for x
x = 17,036,578,530,107,668/170,322,317.84 - Step 6: Final answer
x = 100,025,520.71
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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.