Finding the Fourth Proportional to 87,684,706.88, 131,556,270.42 and 29,398,152.44
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Solution
The fourth proportional to 87,684,706.88, 131,556,270.42 and 29,398,152.44 is: 44,107,021.96
Step by Step Solution
- Step 1: Write the proportion equation
87,684,706.88 : 131,556,270.42 = 29,398,152.44 : x - Step 2: Convert to fraction form
87,684,706.88/131,556,270.42 = 29,398,152.44/x - Step 3: Cross multiply
87,684,706.88x = 131,556,270.42 × 29,398,152.44 - Step 4: Simplify right side
87,684,706.88x = 3,867,511,292,245,023 - Step 5: Solve for x
x = 3,867,511,292,245,023/87,684,706.88 - Step 6: Final answer
x = 44,107,021.96
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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.