Finding the Fourth Proportional to 49,347,609.14, 73,968,925.70 and 18,629,138.36
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Solution
The fourth proportional to 49,347,609.14, 73,968,925.70 and 18,629,138.36 is: 27,923,892.87
Step by Step Solution
- Step 1: Write the proportion equation
49,347,609.14 : 73,968,925.70 = 18,629,138.36 : x - Step 2: Convert to fraction form
49,347,609.14/73,968,925.70 = 18,629,138.36/x - Step 3: Cross multiply
49,347,609.14x = 73,968,925.70 × 18,629,138.36 - Step 4: Simplify right side
49,347,609.14x = 1,377,977,351,205,859.75 - Step 5: Solve for x
x = 1,377,977,351,205,859.75/49,347,609.14 - Step 6: Final answer
x = 27,923,892.87
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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.