Finding the Fourth Proportional to 79,941,102.12, 119,923,091.64 and 24,613,618.32
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Solution
The fourth proportional to 79,941,102.12, 119,923,091.64 and 24,613,618.32 is: 36,923,949.35
Step by Step Solution
- Step 1: Write the proportion equation
79,941,102.12 : 119,923,091.64 = 24,613,618.32 : x - Step 2: Convert to fraction form
79,941,102.12/119,923,091.64 = 24,613,618.32/x - Step 3: Cross multiply
79,941,102.12x = 119,923,091.64 × 24,613,618.32 - Step 4: Simplify right side
79,941,102.12x = 2,951,741,205,381,343 - Step 5: Solve for x
x = 2,951,741,205,381,343/79,941,102.12 - Step 6: Final answer
x = 36,923,949.35
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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.