Finding the Fourth Proportional to 170,384,469.80, 255,576,704.70 and 160,306,773.80
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Solution
The fourth proportional to 170,384,469.80, 255,576,704.70 and 160,306,773.80 is: 240,460,160.70
Step by Step Solution
- Step 1: Write the proportion equation
170,384,469.80 : 255,576,704.70 = 160,306,773.80 : x - Step 2: Convert to fraction form
170,384,469.80/255,576,704.70 = 160,306,773.80/x - Step 3: Cross multiply
170,384,469.80x = 255,576,704.70 × 160,306,773.80 - Step 4: Simplify right side
170,384,469.80x = 40,970,676,988,892,296 - Step 5: Solve for x
x = 40,970,676,988,892,296/170,384,469.80 - Step 6: Final answer
x = 240,460,160.70
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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.