Finding the Fourth Proportional to 207,261,062.20, 310,891,593.30 and 63,635,231.80
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Solution
The fourth proportional to 207,261,062.20, 310,891,593.30 and 63,635,231.80 is: 95,452,847.70
Step by Step Solution
- Step 1: Write the proportion equation
207,261,062.20 : 310,891,593.30 = 63,635,231.80 : x - Step 2: Convert to fraction form
207,261,062.20/310,891,593.30 = 63,635,231.80/x - Step 3: Cross multiply
207,261,062.20x = 310,891,593.30 × 63,635,231.80 - Step 4: Simplify right side
207,261,062.20x = 19,783,658,604,316,828 - Step 5: Solve for x
x = 19,783,658,604,316,828/207,261,062.20 - Step 6: Final answer
x = 95,452,847.70
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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.