Finding the Fourth Proportional to 204,026,821.40, 306,040,232.10 and 202,113,633.80
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Solution
The fourth proportional to 204,026,821.40, 306,040,232.10 and 202,113,633.80 is: 303,170,450.70
Step by Step Solution
- Step 1: Write the proportion equation
204,026,821.40 : 306,040,232.10 = 202,113,633.80 : x - Step 2: Convert to fraction form
204,026,821.40/306,040,232.10 = 202,113,633.80/x - Step 3: Cross multiply
204,026,821.40x = 306,040,232.10 × 202,113,633.80 - Step 4: Simplify right side
204,026,821.40x = 61,854,903,398,726,416 - Step 5: Solve for x
x = 61,854,903,398,726,416/204,026,821.40 - Step 6: Final answer
x = 303,170,450.70
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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.