Finding the Fourth Proportional to 86,739,096.44, 119,698,836.36 and 49,568,951.06
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Solution
The fourth proportional to 86,739,096.44, 119,698,836.36 and 49,568,951.06 is: 68,404,514.28
Step by Step Solution
- Step 1: Write the proportion equation
86,739,096.44 : 119,698,836.36 = 49,568,951.06 : x - Step 2: Convert to fraction form
86,739,096.44/119,698,836.36 = 49,568,951.06/x - Step 3: Cross multiply
86,739,096.44x = 119,698,836.36 × 49,568,951.06 - Step 4: Simplify right side
86,739,096.44x = 5,933,345,761,467,789 - Step 5: Solve for x
x = 5,933,345,761,467,789/86,739,096.44 - Step 6: Final answer
x = 68,404,514.28
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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.