Finding the Fourth Proportional to 207,261,072.20, 310,891,608.30 and 63,635,241.80
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Solution
The fourth proportional to 207,261,072.20, 310,891,608.30 and 63,635,241.80 is: 95,452,862.70
Step by Step Solution
- Step 1: Write the proportion equation
207,261,072.20 : 310,891,608.30 = 63,635,241.80 : x - Step 2: Convert to fraction form
207,261,072.20/310,891,608.30 = 63,635,241.80/x - Step 3: Cross multiply
207,261,072.20x = 310,891,608.30 × 63,635,241.80 - Step 4: Simplify right side
207,261,072.20x = 19,783,662,667,761,388 - Step 5: Solve for x
x = 19,783,662,667,761,388/207,261,072.20 - Step 6: Final answer
x = 95,452,862.70
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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.