Finding the Fourth Proportional to 66,135,211.97, 91,269,706.91 and 36,767,034.68
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Solution
The fourth proportional to 66,135,211.97, 91,269,706.91 and 36,767,034.68 is: 50,740,239.26
Step by Step Solution
- Step 1: Write the proportion equation
66,135,211.97 : 91,269,706.91 = 36,767,034.68 : x - Step 2: Convert to fraction form
66,135,211.97/91,269,706.91 = 36,767,034.68/x - Step 3: Cross multiply
66,135,211.97x = 91,269,706.91 × 36,767,034.68 - Step 4: Simplify right side
66,135,211.97x = 3,355,716,478,553,221.50 - Step 5: Solve for x
x = 3,355,716,478,553,221.50/66,135,211.97 - Step 6: Final answer
x = 50,740,239.26
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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.