Finding the Fourth Proportional to 91,961,677.62, 126,906,190.97 and 50,145,640.31
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Solution
The fourth proportional to 91,961,677.62, 126,906,190.97 and 50,145,640.31 is: 69,200,479.70
Step by Step Solution
- Step 1: Write the proportion equation
91,961,677.62 : 126,906,190.97 = 50,145,640.31 : x - Step 2: Convert to fraction form
91,961,677.62/126,906,190.97 = 50,145,640.31/x - Step 3: Cross multiply
91,961,677.62x = 126,906,190.97 × 50,145,640.31 - Step 4: Simplify right side
91,961,677.62x = 6,363,792,205,560,327 - Step 5: Solve for x
x = 6,363,792,205,560,327/91,961,677.62 - Step 6: Final answer
x = 69,200,479.70
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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.