Finding the Fourth Proportional to 68,158,310.67, 102,161,737.49 and 51,930,763.38
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Solution
The fourth proportional to 68,158,310.67, 102,161,737.49 and 51,930,763.38 is: 77,838,446.46
Step by Step Solution
- Step 1: Write the proportion equation
68,158,310.67 : 102,161,737.49 = 51,930,763.38 : x - Step 2: Convert to fraction form
68,158,310.67/102,161,737.49 = 51,930,763.38/x - Step 3: Cross multiply
68,158,310.67x = 102,161,737.49 × 51,930,763.38 - Step 4: Simplify right side
68,158,310.67x = 5,305,337,015,823,212 - Step 5: Solve for x
x = 5,305,337,015,823,212/68,158,310.67 - Step 6: Final answer
x = 77,838,446.46
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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.