Finding the Fourth Proportional to 239,746,517.92, 330,850,193.04 and 129,738,230.56
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Solution
The fourth proportional to 239,746,517.92, 330,850,193.04 and 129,738,230.56 is: 179,038,757.26
Step by Step Solution
- Step 1: Write the proportion equation
239,746,517.92 : 330,850,193.04 = 129,738,230.56 : x - Step 2: Convert to fraction form
239,746,517.92/330,850,193.04 = 129,738,230.56/x - Step 3: Cross multiply
239,746,517.92x = 330,850,193.04 × 129,738,230.56 - Step 4: Simplify right side
239,746,517.92x = 42,923,918,625,444,032 - Step 5: Solve for x
x = 42,923,918,625,444,032/239,746,517.92 - Step 6: Final answer
x = 179,038,757.26
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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.