Finding the Fourth Proportional to 195,977,757.20, 270,447,158.76 and 107,869,871.12
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Solution
The fourth proportional to 195,977,757.20, 270,447,158.76 and 107,869,871.12 is: 148,859,240.85
Step by Step Solution
- Step 1: Write the proportion equation
195,977,757.20 : 270,447,158.76 = 107,869,871.12 : x - Step 2: Convert to fraction form
195,977,757.20/270,447,158.76 = 107,869,871.12/x - Step 3: Cross multiply
195,977,757.20x = 270,447,158.76 × 107,869,871.12 - Step 4: Simplify right side
195,977,757.20x = 29,173,100,160,211,380 - Step 5: Solve for x
x = 29,173,100,160,211,380/195,977,757.20 - Step 6: Final answer
x = 148,859,240.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.