Finding the Fourth Proportional to 49,465,081.62, 74,198,253.47 and 13,073,157.45
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Solution
The fourth proportional to 49,465,081.62, 74,198,253.47 and 13,073,157.45 is: 19,609,902.95
Step by Step Solution
- Step 1: Write the proportion equation
49,465,081.62 : 74,198,253.47 = 13,073,157.45 : x - Step 2: Convert to fraction form
49,465,081.62/74,198,253.47 = 13,073,157.45/x - Step 3: Cross multiply
49,465,081.62x = 74,198,253.47 × 13,073,157.45 - Step 4: Simplify right side
49,465,081.62x = 970,005,450,062,953 - Step 5: Solve for x
x = 970,005,450,062,953/49,465,081.62 - Step 6: Final answer
x = 19,609,902.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.