Finding the Fourth Proportional to 168,432,775,035.36, 252,595,821,623.04 and 55,086,312,121.44
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Solution
The fourth proportional to 168,432,775,035.36, 252,595,821,623.04 and 55,086,312,121.44 is: 82,612,022,912.86
Step by Step Solution
- Step 1: Write the proportion equation
168,432,775,035.36 : 252,595,821,623.04 = 55,086,312,121.44 : x - Step 2: Convert to fraction form
168,432,775,035.36/252,595,821,623.04 = 55,086,312,121.44/x - Step 3: Cross multiply
168,432,775,035.36x = 252,595,821,623.04 × 55,086,312,121.44 - Step 4: Simplify right side
168,432,775,035.36x = 13,914,572,270,498,364,784,640 - Step 5: Solve for x
x = 13,914,572,270,498,364,784,640/168,432,775,035.36 - Step 6: Final answer
x = 82,612,022,912.86
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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.