Finding the Fourth Proportional to 123,675,687.08, 170,738,709.32 and 95,356,207.98
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Solution
The fourth proportional to 123,675,687.08, 170,738,709.32 and 95,356,207.98 is: 131,642,655.57
Step by Step Solution
- Step 1: Write the proportion equation
123,675,687.08 : 170,738,709.32 = 95,356,207.98 : x - Step 2: Convert to fraction form
123,675,687.08/170,738,709.32 = 95,356,207.98/x - Step 3: Cross multiply
123,675,687.08x = 170,738,709.32 × 95,356,207.98 - Step 4: Simplify right side
123,675,687.08x = 16,280,995,876,393,074 - Step 5: Solve for x
x = 16,280,995,876,393,074/123,675,687.08 - Step 6: Final answer
x = 131,642,655.57
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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.