Finding the Fourth Proportional to 66,217,202.22, 91,379,013.88 and 36,447,213.75
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Solution
The fourth proportional to 66,217,202.22, 91,379,013.88 and 36,447,213.75 is: 50,296,755.82
Step by Step Solution
- Step 1: Write the proportion equation
66,217,202.22 : 91,379,013.88 = 36,447,213.75 : x - Step 2: Convert to fraction form
66,217,202.22/91,379,013.88 = 36,447,213.75/x - Step 3: Cross multiply
66,217,202.22x = 91,379,013.88 × 36,447,213.75 - Step 4: Simplify right side
66,217,202.22x = 3,330,510,451,148,576.50 - Step 5: Solve for x
x = 3,330,510,451,148,576.50/66,217,202.22 - Step 6: Final answer
x = 50,296,755.82
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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.