Finding the Fourth Proportional to 256,080,879.96, 384,121,596.96 and 119,861,922.84
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Solution
The fourth proportional to 256,080,879.96, 384,121,596.96 and 119,861,922.84 is: 179,793,013.92
Step by Step Solution
- Step 1: Write the proportion equation
256,080,879.96 : 384,121,596.96 = 119,861,922.84 : x - Step 2: Convert to fraction form
256,080,879.96/384,121,596.96 = 119,861,922.84/x - Step 3: Cross multiply
256,080,879.96x = 384,121,596.96 × 119,861,922.84 - Step 4: Simplify right side
256,080,879.96x = 46,041,553,215,997,096 - Step 5: Solve for x
x = 46,041,553,215,997,096/256,080,879.96 - Step 6: Final answer
x = 179,793,013.92
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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.