Finding the Fourth Proportional to 146,551,436.52, 202,231,784.07 and 80,471,472.09
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Solution
The fourth proportional to 146,551,436.52, 202,231,784.07 and 80,471,472.09 is: 111,045,580.68
Step by Step Solution
- Step 1: Write the proportion equation
146,551,436.52 : 202,231,784.07 = 80,471,472.09 : x - Step 2: Convert to fraction form
146,551,436.52/202,231,784.07 = 80,471,472.09/x - Step 3: Cross multiply
146,551,436.52x = 202,231,784.07 × 80,471,472.09 - Step 4: Simplify right side
146,551,436.52x = 16,273,889,367,499,912 - Step 5: Solve for x
x = 16,273,889,367,499,912/146,551,436.52 - Step 6: Final answer
x = 111,045,580.68
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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.