Finding the Fourth Proportional to 118,332,817.97, 163,315,510.97 and 68,096,004.12
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Solution
The fourth proportional to 118,332,817.97, 163,315,510.97 and 68,096,004.12 is: 93,981,820.92
Step by Step Solution
- Step 1: Write the proportion equation
118,332,817.97 : 163,315,510.97 = 68,096,004.12 : x - Step 2: Convert to fraction form
118,332,817.97/163,315,510.97 = 68,096,004.12/x - Step 3: Cross multiply
118,332,817.97x = 163,315,510.97 × 68,096,004.12 - Step 4: Simplify right side
118,332,817.97x = 11,121,133,707,532,546 - Step 5: Solve for x
x = 11,121,133,707,532,546/118,332,817.97 - Step 6: Final answer
x = 93,981,820.92
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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.