Finding the Fourth Proportional to 134,820,081.80, 202,230,122.70 and 66,795,633.80
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Solution
The fourth proportional to 134,820,081.80, 202,230,122.70 and 66,795,633.80 is: 100,193,450.70
Step by Step Solution
- Step 1: Write the proportion equation
134,820,081.80 : 202,230,122.70 = 66,795,633.80 : x - Step 2: Convert to fraction form
134,820,081.80/202,230,122.70 = 66,795,633.80/x - Step 3: Cross multiply
134,820,081.80x = 202,230,122.70 × 66,795,633.80 - Step 4: Simplify right side
134,820,081.80x = 13,508,089,219,198,266 - Step 5: Solve for x
x = 13,508,089,219,198,266/134,820,081.80 - Step 6: Final answer
x = 100,193,450.70
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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.