Finding the Fourth Proportional to 76,642,474.39, 114,965,344.64 and 27,461,540.36
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Solution
The fourth proportional to 76,642,474.39, 114,965,344.64 and 27,461,540.36 is: 41,192,895.68
Step by Step Solution
- Step 1: Write the proportion equation
76,642,474.39 : 114,965,344.64 = 27,461,540.36 : x - Step 2: Convert to fraction form
76,642,474.39/114,965,344.64 = 27,461,540.36/x - Step 3: Cross multiply
76,642,474.39x = 114,965,344.64 × 27,461,540.36 - Step 4: Simplify right side
76,642,474.39x = 3,157,125,452,188,737 - Step 5: Solve for x
x = 3,157,125,452,188,737/76,642,474.39 - Step 6: Final answer
x = 41,192,895.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.