Finding the Fourth Proportional to 203,185,527.22, 280,419,287.68 and 113,901,585.94
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Solution
The fourth proportional to 203,185,527.22, 280,419,287.68 and 113,901,585.94 is: 157,197,227.74
Step by Step Solution
- Step 1: Write the proportion equation
203,185,527.22 : 280,419,287.68 = 113,901,585.94 : x - Step 2: Convert to fraction form
203,185,527.22/280,419,287.68 = 113,901,585.94/x - Step 3: Cross multiply
203,185,527.22x = 280,419,287.68 × 113,901,585.94 - Step 4: Simplify right side
203,185,527.22x = 31,940,201,594,917,104 - Step 5: Solve for x
x = 31,940,201,594,917,104/203,185,527.22 - Step 6: Final answer
x = 157,197,227.74
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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.