Finding the Fourth Proportional to 48,331,716.72, 66,699,233.76 and 26,306,808.80
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Solution
The fourth proportional to 48,331,716.72, 66,699,233.76 and 26,306,808.80 is: 36,304,193.37
Step by Step Solution
- Step 1: Write the proportion equation
48,331,716.72 : 66,699,233.76 = 26,306,808.80 : x - Step 2: Convert to fraction form
48,331,716.72/66,699,233.76 = 26,306,808.80/x - Step 3: Cross multiply
48,331,716.72x = 66,699,233.76 × 26,306,808.80 - Step 4: Simplify right side
48,331,716.72x = 1,754,643,989,630,825 - Step 5: Solve for x
x = 1,754,643,989,630,825/48,331,716.72 - Step 6: Final answer
x = 36,304,193.37
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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.