Finding the Fourth Proportional to 150,786,406.09, 225,970,354.20 and 68,704,687.54
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Solution
The fourth proportional to 150,786,406.09, 225,970,354.20 and 68,704,687.54 is: 102,961,685.88
Step by Step Solution
- Step 1: Write the proportion equation
150,786,406.09 : 225,970,354.20 = 68,704,687.54 : x - Step 2: Convert to fraction form
150,786,406.09/225,970,354.20 = 68,704,687.54/x - Step 3: Cross multiply
150,786,406.09x = 225,970,354.20 × 68,704,687.54 - Step 4: Simplify right side
150,786,406.09x = 15,525,222,578,049,198 - Step 5: Solve for x
x = 15,525,222,578,049,198/150,786,406.09 - Step 6: Final answer
x = 102,961,685.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.