Finding the Fourth Proportional to 99,647,524.45, 149,471,286.68 and 86,016,062.80
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Solution
The fourth proportional to 99,647,524.45, 149,471,286.68 and 86,016,062.80 is: 129,024,094.20
Step by Step Solution
- Step 1: Write the proportion equation
99,647,524.45 : 149,471,286.68 = 86,016,062.80 : x - Step 2: Convert to fraction form
99,647,524.45/149,471,286.68 = 86,016,062.80/x - Step 3: Cross multiply
99,647,524.45x = 149,471,286.68 × 86,016,062.80 - Step 4: Simplify right side
99,647,524.45x = 12,856,931,581,863,684 - Step 5: Solve for x
x = 12,856,931,581,863,684/99,647,524.45 - Step 6: Final answer
x = 129,024,094.20
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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.