Finding the Fourth Proportional to 117,744,343.80, 176,616,515.70 and 66,726,007.80
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Solution
The fourth proportional to 117,744,343.80, 176,616,515.70 and 66,726,007.80 is: 100,089,011.70
Step by Step Solution
- Step 1: Write the proportion equation
117,744,343.80 : 176,616,515.70 = 66,726,007.80 : x - Step 2: Convert to fraction form
117,744,343.80/176,616,515.70 = 66,726,007.80/x - Step 3: Cross multiply
117,744,343.80x = 176,616,515.70 × 66,726,007.80 - Step 4: Simplify right side
117,744,343.80x = 11,784,915,004,207,022 - Step 5: Solve for x
x = 11,784,915,004,207,022/117,744,343.80 - Step 6: Final answer
x = 100,089,011.70
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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.