Finding the Fourth Proportional to 135,987,218.92, 204,020,622.06 and 43,869,184.84
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Solution
The fourth proportional to 135,987,218.92, 204,020,622.06 and 43,869,184.84 is: 65,816,614.62
Step by Step Solution
- Step 1: Write the proportion equation
135,987,218.92 : 204,020,622.06 = 43,869,184.84 : x - Step 2: Convert to fraction form
135,987,218.92/204,020,622.06 = 43,869,184.84/x - Step 3: Cross multiply
135,987,218.92x = 204,020,622.06 × 43,869,184.84 - Step 4: Simplify right side
135,987,218.92x = 8,950,218,380,321,922 - Step 5: Solve for x
x = 8,950,218,380,321,922/135,987,218.92 - Step 6: Final answer
x = 65,816,614.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.