Finding the Fourth Proportional to 186,995,124.24, 258,078,906.60 and 107,608,554.24
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Solution
The fourth proportional to 186,995,124.24, 258,078,906.60 and 107,608,554.24 is: 148,514,556.90
Step by Step Solution
- Step 1: Write the proportion equation
186,995,124.24 : 258,078,906.60 = 107,608,554.24 : x - Step 2: Convert to fraction form
186,995,124.24/258,078,906.60 = 107,608,554.24/x - Step 3: Cross multiply
186,995,124.24x = 258,078,906.60 × 107,608,554.24 - Step 4: Simplify right side
186,995,124.24x = 27,771,498,019,065,992 - Step 5: Solve for x
x = 27,771,498,019,065,992/186,995,124.24 - Step 6: Final answer
x = 148,514,556.90
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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.