Finding the Fourth Proportional to 125,880,481.08, 172,456,874.24 and 121,162,514.99
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Solution
The fourth proportional to 125,880,481.08, 172,456,874.24 and 121,162,514.99 is: 165,993,237.63
Step by Step Solution
- Step 1: Write the proportion equation
125,880,481.08 : 172,456,874.24 = 121,162,514.99 : x - Step 2: Convert to fraction form
125,880,481.08/172,456,874.24 = 121,162,514.99/x - Step 3: Cross multiply
125,880,481.08x = 172,456,874.24 × 121,162,514.99 - Step 4: Simplify right side
125,880,481.08x = 20,895,308,608,764,448 - Step 5: Solve for x
x = 20,895,308,608,764,448/125,880,481.08 - Step 6: Final answer
x = 165,993,237.63
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.