Finding the Fourth Proportional to 220,052,775.60, 330,079,163.40 and 99,120,423.60
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Solution
The fourth proportional to 220,052,775.60, 330,079,163.40 and 99,120,423.60 is: 148,680,635.40
Step by Step Solution
- Step 1: Write the proportion equation
220,052,775.60 : 330,079,163.40 = 99,120,423.60 : x - Step 2: Convert to fraction form
220,052,775.60/330,079,163.40 = 99,120,423.60/x - Step 3: Cross multiply
220,052,775.60x = 330,079,163.40 × 99,120,423.60 - Step 4: Simplify right side
220,052,775.60x = 32,717,586,497,741,612 - Step 5: Solve for x
x = 32,717,586,497,741,612/220,052,775.60 - Step 6: Final answer
x = 148,680,635.40
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Similar ratio
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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.