Finding the Fourth Proportional to 68,894,369.40, 103,305,676.50 and 25,728,082.68
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Solution
The fourth proportional to 68,894,369.40, 103,305,676.50 and 25,728,082.68 is: 38,578,725.80
Step by Step Solution
- Step 1: Write the proportion equation
68,894,369.40 : 103,305,676.50 = 25,728,082.68 : x - Step 2: Convert to fraction form
68,894,369.40/103,305,676.50 = 25,728,082.68/x - Step 3: Cross multiply
68,894,369.40x = 103,305,676.50 × 25,728,082.68 - Step 4: Simplify right side
68,894,369.40x = 2,657,856,986,305,333 - Step 5: Solve for x
x = 2,657,856,986,305,333/68,894,369.40 - Step 6: Final answer
x = 38,578,725.80
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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.