Finding the Fourth Proportional to 71,453,883.92, 107,187,219.30 and 27,733,617.44
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Solution
The fourth proportional to 71,453,883.92, 107,187,219.30 and 27,733,617.44 is: 41,602,907.66
Step by Step Solution
- Step 1: Write the proportion equation
71,453,883.92 : 107,187,219.30 = 27,733,617.44 : x - Step 2: Convert to fraction form
71,453,883.92/107,187,219.30 = 27,733,617.44/x - Step 3: Cross multiply
71,453,883.92x = 107,187,219.30 × 27,733,617.44 - Step 4: Simplify right side
71,453,883.92x = 2,972,689,334,523,584.50 - Step 5: Solve for x
x = 2,972,689,334,523,584.50/71,453,883.92 - Step 6: Final answer
x = 41,602,907.66
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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.