Finding the Fourth Proportional to 179,968,621.96, 270,383,595.90 and 115,398,934.12
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Solution
The fourth proportional to 179,968,621.96, 270,383,595.90 and 115,398,934.12 is: 173,374,549.58
Step by Step Solution
- Step 1: Write the proportion equation
179,968,621.96 : 270,383,595.90 = 115,398,934.12 : x - Step 2: Convert to fraction form
179,968,621.96/270,383,595.90 = 115,398,934.12/x - Step 3: Cross multiply
179,968,621.96x = 270,383,595.90 × 115,398,934.12 - Step 4: Simplify right side
179,968,621.96x = 31,201,978,770,392,800 - Step 5: Solve for x
x = 31,201,978,770,392,800/179,968,621.96 - Step 6: Final answer
x = 173,374,549.58
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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.