Finding the Fourth Proportional to 49,551,481.20, 74,327,221.80 and 48,701,175.60
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Solution
The fourth proportional to 49,551,481.20, 74,327,221.80 and 48,701,175.60 is: 73,051,763.40
Step by Step Solution
- Step 1: Write the proportion equation
49,551,481.20 : 74,327,221.80 = 48,701,175.60 : x - Step 2: Convert to fraction form
49,551,481.20/74,327,221.80 = 48,701,175.60/x - Step 3: Cross multiply
49,551,481.20x = 74,327,221.80 × 48,701,175.60 - Step 4: Simplify right side
49,551,481.20x = 3,619,823,080,741,948 - Step 5: Solve for x
x = 3,619,823,080,741,948/49,551,481.20 - Step 6: Final answer
x = 73,051,763.40
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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.