Finding the Fourth Proportional to 163,377,914.09, 225,469,514.93 and 91,873,299.97
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Solution
The fourth proportional to 163,377,914.09, 225,469,514.93 and 91,873,299.97 is: 126,789,648.99
Step by Step Solution
- Step 1: Write the proportion equation
163,377,914.09 : 225,469,514.93 = 91,873,299.97 : x - Step 2: Convert to fraction form
163,377,914.09/225,469,514.93 = 91,873,299.97/x - Step 3: Cross multiply
163,377,914.09x = 225,469,514.93 × 91,873,299.97 - Step 4: Simplify right side
163,377,914.09x = 20,714,628,379,076,756 - Step 5: Solve for x
x = 20,714,628,379,076,756/163,377,914.09 - Step 6: Final answer
x = 126,789,648.99
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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.