Finding the Fourth Proportional to 74,567,859.94, 102,906,839.34 and 41,528,108.96
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Solution
The fourth proportional to 74,567,859.94, 102,906,839.34 and 41,528,108.96 is: 57,310,568.39
Step by Step Solution
- Step 1: Write the proportion equation
74,567,859.94 : 102,906,839.34 = 41,528,108.96 : x - Step 2: Convert to fraction form
74,567,859.94/102,906,839.34 = 41,528,108.96/x - Step 3: Cross multiply
74,567,859.94x = 102,906,839.34 × 41,528,108.96 - Step 4: Simplify right side
74,567,859.94x = 4,273,526,436,840,734.50 - Step 5: Solve for x
x = 4,273,526,436,840,734.50/74,567,859.94 - Step 6: Final answer
x = 57,310,568.39
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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.