Finding the Fourth Proportional to 73,512,010.20, 110,268,015.30 and 48,853,147.80
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Solution
The fourth proportional to 73,512,010.20, 110,268,015.30 and 48,853,147.80 is: 73,279,721.70
Step by Step Solution
- Step 1: Write the proportion equation
73,512,010.20 : 110,268,015.30 = 48,853,147.80 : x - Step 2: Convert to fraction form
73,512,010.20/110,268,015.30 = 48,853,147.80/x - Step 3: Cross multiply
73,512,010.20x = 110,268,015.30 × 48,853,147.80 - Step 4: Simplify right side
73,512,010.20x = 5,386,939,649,063,561 - Step 5: Solve for x
x = 5,386,939,649,063,561/73,512,010.20 - Step 6: Final answer
x = 73,279,721.70
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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.