Finding the Fourth Proportional to 121,841,495.53, 182,744,297.10 and 39,969,025.49
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Solution
The fourth proportional to 121,841,495.53, 182,744,297.10 and 39,969,025.49 is: 59,947,651.15
Step by Step Solution
- Step 1: Write the proportion equation
121,841,495.53 : 182,744,297.10 = 39,969,025.49 : x - Step 2: Convert to fraction form
121,841,495.53/182,744,297.10 = 39,969,025.49/x - Step 3: Cross multiply
121,841,495.53x = 182,744,297.10 × 39,969,025.49 - Step 4: Simplify right side
121,841,495.53x = 7,304,111,469,398,894 - Step 5: Solve for x
x = 7,304,111,469,398,894/121,841,495.53 - Step 6: Final answer
x = 59,947,651.15
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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.