Finding the Fourth Proportional to 92,173,976.75, 127,200,138.94 and 49,787,535.99
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Solution
The fourth proportional to 92,173,976.75, 127,200,138.94 and 49,787,535.99 is: 68,706,827.22
Step by Step Solution
- Step 1: Write the proportion equation
92,173,976.75 : 127,200,138.94 = 49,787,535.99 : x - Step 2: Convert to fraction form
92,173,976.75/127,200,138.94 = 49,787,535.99/x - Step 3: Cross multiply
92,173,976.75x = 127,200,138.94 × 49,787,535.99 - Step 4: Simplify right side
92,173,976.75x = 6,332,981,494,772,250 - Step 5: Solve for x
x = 6,332,981,494,772,250/92,173,976.75 - Step 6: Final answer
x = 68,706,827.22
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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.