Finding the Fourth Proportional to 49,578,310.18, 68,419,729.53 and 27,552,737.94
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Solution
The fourth proportional to 49,578,310.18, 68,419,729.53 and 27,552,737.94 is: 38,023,701.71
Step by Step Solution
- Step 1: Write the proportion equation
49,578,310.18 : 68,419,729.53 = 27,552,737.94 : x - Step 2: Convert to fraction form
49,578,310.18/68,419,729.53 = 27,552,737.94/x - Step 3: Cross multiply
49,578,310.18x = 68,419,729.53 × 27,552,737.94 - Step 4: Simplify right side
49,578,310.18x = 1,885,150,877,665,769.50 - Step 5: Solve for x
x = 1,885,150,877,665,769.50/49,578,310.18 - Step 6: Final answer
x = 38,023,701.71
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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.