Finding the Fourth Proportional to 107,110,163.52, 147,883,207.68 and 82,286,138.88
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Solution
The fourth proportional to 107,110,163.52, 147,883,207.68 and 82,286,138.88 is: 113,609,556.42
Step by Step Solution
- Step 1: Write the proportion equation
107,110,163.52 : 147,883,207.68 = 82,286,138.88 : x - Step 2: Convert to fraction form
107,110,163.52/147,883,207.68 = 82,286,138.88/x - Step 3: Cross multiply
107,110,163.52x = 147,883,207.68 × 82,286,138.88 - Step 4: Simplify right side
107,110,163.52x = 12,168,738,165,176,362 - Step 5: Solve for x
x = 12,168,738,165,176,362/107,110,163.52 - Step 6: Final answer
x = 113,609,556.42
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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.