Finding the Fourth Proportional to 49,493,109.40, 74,239,664.10 and 44,286,299.80
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Solution
The fourth proportional to 49,493,109.40, 74,239,664.10 and 44,286,299.80 is: 66,429,449.70
Step by Step Solution
- Step 1: Write the proportion equation
49,493,109.40 : 74,239,664.10 = 44,286,299.80 : x - Step 2: Convert to fraction form
49,493,109.40/74,239,664.10 = 44,286,299.80/x - Step 3: Cross multiply
49,493,109.40x = 74,239,664.10 × 44,286,299.80 - Step 4: Simplify right side
49,493,109.40x = 3,287,800,021,383,896.50 - Step 5: Solve for x
x = 3,287,800,021,383,896.50/49,493,109.40 - Step 6: Final answer
x = 66,429,449.70
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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.