Finding the Fourth Proportional to 44,178,163.20, 66,267,244.80 and 27,148,431.60
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Solution
The fourth proportional to 44,178,163.20, 66,267,244.80 and 27,148,431.60 is: 40,722,647.40
Step by Step Solution
- Step 1: Write the proportion equation
44,178,163.20 : 66,267,244.80 = 27,148,431.60 : x - Step 2: Convert to fraction form
44,178,163.20/66,267,244.80 = 27,148,431.60/x - Step 3: Cross multiply
44,178,163.20x = 66,267,244.80 × 27,148,431.60 - Step 4: Simplify right side
44,178,163.20x = 1,799,051,762,773,255.75 - Step 5: Solve for x
x = 1,799,051,762,773,255.75/44,178,163.20 - Step 6: Final answer
x = 40,722,647.40
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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.