Finding the Fourth Proportional to 69,368,608.40, 104,052,912.60 and 40,647,174.80
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Solution
The fourth proportional to 69,368,608.40, 104,052,912.60 and 40,647,174.80 is: 60,970,762.20
Step by Step Solution
- Step 1: Write the proportion equation
69,368,608.40 : 104,052,912.60 = 40,647,174.80 : x - Step 2: Convert to fraction form
69,368,608.40/104,052,912.60 = 40,647,174.80/x - Step 3: Cross multiply
69,368,608.40x = 104,052,912.60 × 40,647,174.80 - Step 4: Simplify right side
69,368,608.40x = 4,229,456,926,901,322 - Step 5: Solve for x
x = 4,229,456,926,901,322/69,368,608.40 - Step 6: Final answer
x = 60,970,762.20
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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.