Finding the Fourth Proportional to 194,383,879, 268,255,351.74 and 107,469,349.72
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Solution
The fourth proportional to 194,383,879, 268,255,351.74 and 107,469,349.72 is: 148,310,797.99
Step by Step Solution
- Step 1: Write the proportion equation
194,383,879 : 268,255,351.74 = 107,469,349.72 : x - Step 2: Convert to fraction form
194,383,879/268,255,351.74 = 107,469,349.72/x - Step 3: Cross multiply
194,383,879x = 268,255,351.74 × 107,469,349.72 - Step 4: Simplify right side
194,383,879x = 28,829,228,210,407,672 - Step 5: Solve for x
x = 28,829,228,210,407,672/194,383,879 - Step 6: Final answer
x = 148,310,797.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.