Finding the Fourth Proportional to 122,880,471.26, 169,568,244.52 and 67,114,788.44
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Solution
The fourth proportional to 122,880,471.26, 169,568,244.52 and 67,114,788.44 is: 92,614,690.84
Step by Step Solution
- Step 1: Write the proportion equation
122,880,471.26 : 169,568,244.52 = 67,114,788.44 : x - Step 2: Convert to fraction form
122,880,471.26/169,568,244.52 = 67,114,788.44/x - Step 3: Cross multiply
122,880,471.26x = 169,568,244.52 × 67,114,788.44 - Step 4: Simplify right side
122,880,471.26x = 11,380,536,856,086,362 - Step 5: Solve for x
x = 11,380,536,856,086,362/122,880,471.26 - Step 6: Final answer
x = 92,614,690.84
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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.