Finding the Fourth Proportional to 66,115,400.67, 91,264,915.62 and 49,643,091.63
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Solution
The fourth proportional to 66,115,400.67, 91,264,915.62 and 49,643,091.63 is: 68,526,735.42
Step by Step Solution
- Step 1: Write the proportion equation
66,115,400.67 : 91,264,915.62 = 49,643,091.63 : x - Step 2: Convert to fraction form
66,115,400.67/91,264,915.62 = 49,643,091.63/x - Step 3: Cross multiply
66,115,400.67x = 91,264,915.62 × 49,643,091.63 - Step 4: Simplify right side
66,115,400.67x = 4,530,672,568,727,879 - Step 5: Solve for x
x = 4,530,672,568,727,879/66,115,400.67 - Step 6: Final answer
x = 68,526,735.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.