Finding the Fourth Proportional to 119,405,815.36, 179,151,817.20 and 41,694,173.44
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Solution
The fourth proportional to 119,405,815.36, 179,151,817.20 and 41,694,173.44 is: 62,556,307.80
Step by Step Solution
- Step 1: Write the proportion equation
119,405,815.36 : 179,151,817.20 = 41,694,173.44 : x - Step 2: Convert to fraction form
119,405,815.36/179,151,817.20 = 41,694,173.44/x - Step 3: Cross multiply
119,405,815.36x = 179,151,817.20 × 41,694,173.44 - Step 4: Simplify right side
119,405,815.36x = 7,469,586,938,427,974 - Step 5: Solve for x
x = 7,469,586,938,427,974/119,405,815.36 - Step 6: Final answer
x = 62,556,307.80
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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.