Finding the Fourth Proportional to 234,189,615.75, 323,188,755.62 and 129,757,916.31
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Solution
The fourth proportional to 234,189,615.75, 323,188,755.62 and 129,757,916.31 is: 179,069,850.60
Step by Step Solution
- Step 1: Write the proportion equation
234,189,615.75 : 323,188,755.62 = 129,757,916.31 : x - Step 2: Convert to fraction form
234,189,615.75/323,188,755.62 = 129,757,916.31/x - Step 3: Cross multiply
234,189,615.75x = 323,188,755.62 × 129,757,916.31 - Step 4: Simplify right side
234,189,615.75x = 41,936,299,503,424,216 - Step 5: Solve for x
x = 41,936,299,503,424,216/234,189,615.75 - Step 6: Final answer
x = 179,069,850.60
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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.