Finding the Fourth Proportional to 125,601,910.49, 173,305,231.72 and 73,380,861.18
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Solution
The fourth proportional to 125,601,910.49, 173,305,231.72 and 73,380,861.18 is: 101,250,746.11
Step by Step Solution
- Step 1: Write the proportion equation
125,601,910.49 : 173,305,231.72 = 73,380,861.18 : x - Step 2: Convert to fraction form
125,601,910.49/173,305,231.72 = 73,380,861.18/x - Step 3: Cross multiply
125,601,910.49x = 173,305,231.72 × 73,380,861.18 - Step 4: Simplify right side
125,601,910.49x = 12,717,287,150,429,602 - Step 5: Solve for x
x = 12,717,287,150,429,602/125,601,910.49 - Step 6: Final answer
x = 101,250,746.11
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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.