Finding the Fourth Proportional to 81,325,083.31, 121,989,082.97 and 29,546,458.63
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Solution
The fourth proportional to 81,325,083.31, 121,989,082.97 and 29,546,458.63 is: 44,320,217.66
Step by Step Solution
- Step 1: Write the proportion equation
81,325,083.31 : 121,989,082.97 = 29,546,458.63 : x - Step 2: Convert to fraction form
81,325,083.31/121,989,082.97 = 29,546,458.63/x - Step 3: Cross multiply
81,325,083.31x = 121,989,082.97 × 29,546,458.63 - Step 4: Simplify right side
81,325,083.31x = 3,604,345,393,284,742.50 - Step 5: Solve for x
x = 3,604,345,393,284,742.50/81,325,083.31 - Step 6: Final answer
x = 44,320,217.66
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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.