Finding the Fourth Proportional to 220,933,478.97, 331,304,166.09 and 63,331,783.92
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Solution
The fourth proportional to 220,933,478.97, 331,304,166.09 and 63,331,783.92 is: 94,970,141.95
Step by Step Solution
- Step 1: Write the proportion equation
220,933,478.97 : 331,304,166.09 = 63,331,783.92 : x - Step 2: Convert to fraction form
220,933,478.97/331,304,166.09 = 63,331,783.92/x - Step 3: Cross multiply
220,933,478.97x = 331,304,166.09 × 63,331,783.92 - Step 4: Simplify right side
220,933,478.97x = 20,982,083,858,607,672 - Step 5: Solve for x
x = 20,982,083,858,607,672/220,933,478.97 - Step 6: Final answer
x = 94,970,141.95
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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.