Finding the Fourth Proportional to 78,434,629.62, 117,608,745.63 and 32,366,026.92
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Solution
The fourth proportional to 78,434,629.62, 117,608,745.63 and 32,366,026.92 is: 48,531,214.41
Step by Step Solution
- Step 1: Write the proportion equation
78,434,629.62 : 117,608,745.63 = 32,366,026.92 : x - Step 2: Convert to fraction form
78,434,629.62/117,608,745.63 = 32,366,026.92/x - Step 3: Cross multiply
78,434,629.62x = 117,608,745.63 × 32,366,026.92 - Step 4: Simplify right side
78,434,629.62x = 3,806,527,827,088,012.50 - Step 5: Solve for x
x = 3,806,527,827,088,012.50/78,434,629.62 - Step 6: Final answer
x = 48,531,214.41
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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.