Finding the Fourth Proportional to 67,246,373.80, 100,869,560.70 and 44,288,122.60
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Solution
The fourth proportional to 67,246,373.80, 100,869,560.70 and 44,288,122.60 is: 66,432,183.90
Step by Step Solution
- Step 1: Write the proportion equation
67,246,373.80 : 100,869,560.70 = 44,288,122.60 : x - Step 2: Convert to fraction form
67,246,373.80/100,869,560.70 = 44,288,122.60/x - Step 3: Cross multiply
67,246,373.80x = 100,869,560.70 × 44,288,122.60 - Step 4: Simplify right side
67,246,373.80x = 4,467,323,470,889,742 - Step 5: Solve for x
x = 4,467,323,470,889,742/67,246,373.80 - Step 6: Final answer
x = 66,432,183.90
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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.