Finding the Fourth Proportional to 95,317,782.75, 131,531,321.39 and 53,493,770.48
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Solution
The fourth proportional to 95,317,782.75, 131,531,321.39 and 53,493,770.48 is: 73,817,351.96
Step by Step Solution
- Step 1: Write the proportion equation
95,317,782.75 : 131,531,321.39 = 53,493,770.48 : x - Step 2: Convert to fraction form
95,317,782.75/131,531,321.39 = 53,493,770.48/x - Step 3: Cross multiply
95,317,782.75x = 131,531,321.39 × 53,493,770.48 - Step 4: Simplify right side
95,317,782.75x = 7,036,106,317,629,736 - Step 5: Solve for x
x = 7,036,106,317,629,736/95,317,782.75 - Step 6: Final answer
x = 73,817,351.96
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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.