Finding the Fourth Proportional to 75,873,450.92, 113,810,471.63 and 18,365,629.82
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Solution
The fourth proportional to 75,873,450.92, 113,810,471.63 and 18,365,629.82 is: 27,548,516.19
Step by Step Solution
- Step 1: Write the proportion equation
75,873,450.92 : 113,810,471.63 = 18,365,629.82 : x - Step 2: Convert to fraction form
75,873,450.92/113,810,471.63 = 18,365,629.82/x - Step 3: Cross multiply
75,873,450.92x = 113,810,471.63 × 18,365,629.82 - Step 4: Simplify right side
75,873,450.92x = 2,090,200,990,935,311.75 - Step 5: Solve for x
x = 2,090,200,990,935,311.75/75,873,450.92 - Step 6: Final answer
x = 27,548,516.19
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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.