Finding the Fourth Proportional to 113,467,440,959.80, 170,201,161,439.70 and 68,770,843,660.60
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Solution
The fourth proportional to 113,467,440,959.80, 170,201,161,439.70 and 68,770,843,660.60 is: 103,156,265,490.90
Step by Step Solution
- Step 1: Write the proportion equation
113,467,440,959.80 : 170,201,161,439.70 = 68,770,843,660.60 : x - Step 2: Convert to fraction form
113,467,440,959.80/170,201,161,439.70 = 68,770,843,660.60/x - Step 3: Cross multiply
113,467,440,959.80x = 170,201,161,439.70 × 68,770,843,660.60 - Step 4: Simplify right side
113,467,440,959.80x = 11,704,877,464,222,152,261,632 - Step 5: Solve for x
x = 11,704,877,464,222,152,261,632/113,467,440,959.80 - Step 6: Final answer
x = 103,156,265,490.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.