Finding the Fourth Proportional to 196,835,286.24, 271,640,943.17 and 113,203,473.42
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Solution
The fourth proportional to 196,835,286.24, 271,640,943.17 and 113,203,473.42 is: 156,225,536.98
Step by Step Solution
- Step 1: Write the proportion equation
196,835,286.24 : 271,640,943.17 = 113,203,473.42 : x - Step 2: Convert to fraction form
196,835,286.24/271,640,943.17 = 113,203,473.42/x - Step 3: Cross multiply
196,835,286.24x = 271,640,943.17 × 113,203,473.42 - Step 4: Simplify right side
196,835,286.24x = 30,750,698,289,928,828 - Step 5: Solve for x
x = 30,750,698,289,928,828/196,835,286.24 - Step 6: Final answer
x = 156,225,536.98
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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.