Finding the Fourth Proportional to 62,230,218.20, 93,345,327.30 and 53,720,163.80
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Solution
The fourth proportional to 62,230,218.20, 93,345,327.30 and 53,720,163.80 is: 80,580,245.70
Step by Step Solution
- Step 1: Write the proportion equation
62,230,218.20 : 93,345,327.30 = 53,720,163.80 : x - Step 2: Convert to fraction form
62,230,218.20/93,345,327.30 = 53,720,163.80/x - Step 3: Cross multiply
62,230,218.20x = 93,345,327.30 × 53,720,163.80 - Step 4: Simplify right side
62,230,218.20x = 5,014,526,272,520,611 - Step 5: Solve for x
x = 5,014,526,272,520,611/62,230,218.20 - Step 6: Final answer
x = 80,580,245.70
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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.