Finding the Fourth Proportional to 189,504,088.07, 261,517,444.49 and 111,188,974.01
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Solution
The fourth proportional to 189,504,088.07, 261,517,444.49 and 111,188,974.01 is: 153,441,841.99
Step by Step Solution
- Step 1: Write the proportion equation
189,504,088.07 : 261,517,444.49 = 111,188,974.01 : x - Step 2: Convert to fraction form
189,504,088.07/261,517,444.49 = 111,188,974.01/x - Step 3: Cross multiply
189,504,088.07x = 261,517,444.49 × 111,188,974.01 - Step 4: Simplify right side
189,504,088.07x = 29,077,856,337,530,612 - Step 5: Solve for x
x = 29,077,856,337,530,612/189,504,088.07 - Step 6: Final answer
x = 153,441,841.99
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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.