Finding the Fourth Proportional to 146,635,048.40, 202,333,872.12 and 84,743,434.40
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Solution
The fourth proportional to 146,635,048.40, 202,333,872.12 and 84,743,434.40 is: 116,932,939.33
Step by Step Solution
- Step 1: Write the proportion equation
146,635,048.40 : 202,333,872.12 = 84,743,434.40 : x - Step 2: Convert to fraction form
146,635,048.40/202,333,872.12 = 84,743,434.40/x - Step 3: Cross multiply
146,635,048.40x = 202,333,872.12 × 84,743,434.40 - Step 4: Simplify right side
146,635,048.40x = 17,146,467,218,899,210 - Step 5: Solve for x
x = 17,146,467,218,899,210/146,635,048.40 - Step 6: Final answer
x = 116,932,939.33
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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.