Finding the Fourth Proportional to 217,345,275.26, 325,948,745.36 and 71,751,728.06
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Solution
The fourth proportional to 217,345,275.26, 325,948,745.36 and 71,751,728.06 is: 107,604,757.96
Step by Step Solution
- Step 1: Write the proportion equation
217,345,275.26 : 325,948,745.36 = 71,751,728.06 : x - Step 2: Convert to fraction form
217,345,275.26/325,948,745.36 = 71,751,728.06/x - Step 3: Cross multiply
217,345,275.26x = 325,948,745.36 × 71,751,728.06 - Step 4: Simplify right side
217,345,275.26x = 23,387,385,738,568,908 - Step 5: Solve for x
x = 23,387,385,738,568,908/217,345,275.26 - Step 6: Final answer
x = 107,604,757.96
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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.