Finding the Fourth Proportional to 170,901,159.40, 256,351,739.10 and 113,470,733.80
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Solution
The fourth proportional to 170,901,159.40, 256,351,739.10 and 113,470,733.80 is: 170,206,100.70
Step by Step Solution
- Step 1: Write the proportion equation
170,901,159.40 : 256,351,739.10 = 113,470,733.80 : x - Step 2: Convert to fraction form
170,901,159.40/256,351,739.10 = 113,470,733.80/x - Step 3: Cross multiply
170,901,159.40x = 256,351,739.10 × 113,470,733.80 - Step 4: Simplify right side
170,901,159.40x = 29,088,419,946,583,152 - Step 5: Solve for x
x = 29,088,419,946,583,152/170,901,159.40 - Step 6: Final answer
x = 170,206,100.70
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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.