Finding the Fourth Proportional to 311,174,906.74, 429,445,850.35 and 177,218,487.41
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Solution
The fourth proportional to 311,174,906.74, 429,445,850.35 and 177,218,487.41 is: 244,575,453.79
Step by Step Solution
- Step 1: Write the proportion equation
311,174,906.74 : 429,445,850.35 = 177,218,487.41 : x - Step 2: Convert to fraction form
311,174,906.74/429,445,850.35 = 177,218,487.41/x - Step 3: Cross multiply
311,174,906.74x = 429,445,850.35 × 177,218,487.41 - Step 4: Simplify right side
311,174,906.74x = 76,105,744,023,192,688 - Step 5: Solve for x
x = 76,105,744,023,192,688/311,174,906.74 - Step 6: Final answer
x = 244,575,453.79
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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.