Finding the Fourth Proportional to 289,675,310.80, 434,589,948.60 and 125,842,766.80
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Solution
The fourth proportional to 289,675,310.80, 434,589,948.60 and 125,842,766.80 is: 188,797,593.43
Step by Step Solution
- Step 1: Write the proportion equation
289,675,310.80 : 434,589,948.60 = 125,842,766.80 : x - Step 2: Convert to fraction form
289,675,310.80/434,589,948.60 = 125,842,766.80/x - Step 3: Cross multiply
289,675,310.80x = 434,589,948.60 × 125,842,766.80 - Step 4: Simplify right side
289,675,310.80x = 54,690,001,555,293,792 - Step 5: Solve for x
x = 54,690,001,555,293,792/289,675,310.80 - Step 6: Final answer
x = 188,797,593.43
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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.