Finding the Fourth Proportional to 168,524,946.12, 252,715,640.23 and 66,217,218.96
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Solution
The fourth proportional to 168,524,946.12, 252,715,640.23 and 66,217,218.96 is: 99,297,624.89
Step by Step Solution
- Step 1: Write the proportion equation
168,524,946.12 : 252,715,640.23 = 66,217,218.96 : x - Step 2: Convert to fraction form
168,524,946.12/252,715,640.23 = 66,217,218.96/x - Step 3: Cross multiply
168,524,946.12x = 252,715,640.23 × 66,217,218.96 - Step 4: Simplify right side
168,524,946.12x = 16,734,126,884,384,146 - Step 5: Solve for x
x = 16,734,126,884,384,146/168,524,946.12 - Step 6: Final answer
x = 99,297,624.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.