Finding the Fourth Proportional to 273,266,687.12, 377,117,021.31 and 149,504,532.08
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Solution
The fourth proportional to 273,266,687.12, 377,117,021.31 and 149,504,532.08 is: 206,321,174.40
Step by Step Solution
- Step 1: Write the proportion equation
273,266,687.12 : 377,117,021.31 = 149,504,532.08 : x - Step 2: Convert to fraction form
273,266,687.12/377,117,021.31 = 149,504,532.08/x - Step 3: Cross multiply
273,266,687.12x = 377,117,021.31 × 149,504,532.08 - Step 4: Simplify right side
273,266,687.12x = 56,380,703,810,354,944 - Step 5: Solve for x
x = 56,380,703,810,354,944/273,266,687.12 - Step 6: Final answer
x = 206,321,174.40
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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.