Finding the Fourth Proportional to 117,504,706.40, 176,257,059.60 and 115,115,919.20
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Solution
The fourth proportional to 117,504,706.40, 176,257,059.60 and 115,115,919.20 is: 172,673,878.80
Step by Step Solution
- Step 1: Write the proportion equation
117,504,706.40 : 176,257,059.60 = 115,115,919.20 : x - Step 2: Convert to fraction form
117,504,706.40/176,257,059.60 = 115,115,919.20/x - Step 3: Cross multiply
117,504,706.40x = 176,257,059.60 × 115,115,919.20 - Step 4: Simplify right side
117,504,706.40x = 20,289,993,431,343,184 - Step 5: Solve for x
x = 20,289,993,431,343,184/117,504,706.40 - Step 6: Final answer
x = 172,673,878.80
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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.