Finding the Fourth Proportional to 76,642,704.60, 114,965,690.40 and 27,461,770.44
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Solution
The fourth proportional to 76,642,704.60, 114,965,690.40 and 27,461,770.44 is: 41,193,240.96
Step by Step Solution
- Step 1: Write the proportion equation
76,642,704.60 : 114,965,690.40 = 27,461,770.44 : x - Step 2: Convert to fraction form
76,642,704.60/114,965,690.40 = 27,461,770.44/x - Step 3: Cross multiply
76,642,704.60x = 114,965,690.40 × 27,461,770.44 - Step 4: Simplify right side
76,642,704.60x = 3,157,161,398,240,912 - Step 5: Solve for x
x = 3,157,161,398,240,912/76,642,704.60 - Step 6: Final answer
x = 41,193,240.96
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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.