Finding the Fourth Proportional to 112,324,814.20, 168,151,298.10 and 66,863,207.80
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Solution
The fourth proportional to 112,324,814.20, 168,151,298.10 and 66,863,207.80 is: 100,094,847.85
Step by Step Solution
- Step 1: Write the proportion equation
112,324,814.20 : 168,151,298.10 = 66,863,207.80 : x - Step 2: Convert to fraction form
112,324,814.20/168,151,298.10 = 66,863,207.80/x - Step 3: Cross multiply
112,324,814.20x = 168,151,298.10 × 66,863,207.80 - Step 4: Simplify right side
112,324,814.20x = 11,243,135,186,700,044 - Step 5: Solve for x
x = 11,243,135,186,700,044/112,324,814.20 - Step 6: Final answer
x = 100,094,847.85
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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.