Finding the Fourth Proportional to 97,471,249.40, 146,206,874.10 and 82,165,748.60
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Solution
The fourth proportional to 97,471,249.40, 146,206,874.10 and 82,165,748.60 is: 123,248,622.90
Step by Step Solution
- Step 1: Write the proportion equation
97,471,249.40 : 146,206,874.10 = 82,165,748.60 : x - Step 2: Convert to fraction form
97,471,249.40/146,206,874.10 = 82,165,748.60/x - Step 3: Cross multiply
97,471,249.40x = 146,206,874.10 × 82,165,748.60 - Step 4: Simplify right side
97,471,249.40x = 12,013,197,260,892,450 - Step 5: Solve for x
x = 12,013,197,260,892,450/97,471,249.40 - Step 6: Final answer
x = 123,248,622.90
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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.