Finding the Fourth Proportional to 227,272,161.33, 313,635,447.36 and 122,850,234.09
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Solution
The fourth proportional to 227,272,161.33, 313,635,447.36 and 122,850,234.09 is: 169,533,249.92
Step by Step Solution
- Step 1: Write the proportion equation
227,272,161.33 : 313,635,447.36 = 122,850,234.09 : x - Step 2: Convert to fraction form
227,272,161.33/313,635,447.36 = 122,850,234.09/x - Step 3: Cross multiply
227,272,161.33x = 313,635,447.36 × 122,850,234.09 - Step 4: Simplify right side
227,272,161.33x = 38,530,188,127,097,872 - Step 5: Solve for x
x = 38,530,188,127,097,872/227,272,161.33 - Step 6: Final answer
x = 169,533,249.92
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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.