Finding the Fourth Proportional to 91,866,604.01, 126,775,843.88 and 50,613,496.38
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Solution
The fourth proportional to 91,866,604.01, 126,775,843.88 and 50,613,496.38 is: 69,846,586.63
Step by Step Solution
- Step 1: Write the proportion equation
91,866,604.01 : 126,775,843.88 = 50,613,496.38 : x - Step 2: Convert to fraction form
91,866,604.01/126,775,843.88 = 50,613,496.38/x - Step 3: Cross multiply
91,866,604.01x = 126,775,843.88 × 50,613,496.38 - Step 4: Simplify right side
91,866,604.01x = 6,416,568,715,038,758 - Step 5: Solve for x
x = 6,416,568,715,038,758/91,866,604.01 - Step 6: Final answer
x = 69,846,586.63
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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.