Finding the Fourth Proportional to 87,599,286.14, 120,887,801.62 and 48,443,714.42
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Solution
The fourth proportional to 87,599,286.14, 120,887,801.62 and 48,443,714.42 is: 66,852,760.98
Step by Step Solution
- Step 1: Write the proportion equation
87,599,286.14 : 120,887,801.62 = 48,443,714.42 : x - Step 2: Convert to fraction form
87,599,286.14/120,887,801.62 = 48,443,714.42/x - Step 3: Cross multiply
87,599,286.14x = 120,887,801.62 × 48,443,714.42 - Step 4: Simplify right side
87,599,286.14x = 5,856,254,138,540,894 - Step 5: Solve for x
x = 5,856,254,138,540,894/87,599,286.14 - Step 6: Final answer
x = 66,852,760.98
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1.5x scale
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.