Finding the Fourth Proportional to 76,930,664.67, 115,397,698.82 and 27,750,450.33
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Solution
The fourth proportional to 76,930,664.67, 115,397,698.82 and 27,750,450.33 is: 41,626,289.37
Step by Step Solution
- Step 1: Write the proportion equation
76,930,664.67 : 115,397,698.82 = 27,750,450.33 : x - Step 2: Convert to fraction form
76,930,664.67/115,397,698.82 = 27,750,450.33/x - Step 3: Cross multiply
76,930,664.67x = 115,397,698.82 × 27,750,450.33 - Step 4: Simplify right side
76,930,664.67x = 3,202,338,109,161,957 - Step 5: Solve for x
x = 3,202,338,109,161,957/76,930,664.67 - Step 6: Final answer
x = 41,626,289.37
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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.