Finding the Fourth Proportional to 235,785,100.36, 325,375,807.80 and 135,330,072.22
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Solution
The fourth proportional to 235,785,100.36, 325,375,807.80 and 135,330,072.22 is: 186,751,119.99
Step by Step Solution
- Step 1: Write the proportion equation
235,785,100.36 : 325,375,807.80 = 135,330,072.22 : x - Step 2: Convert to fraction form
235,785,100.36/325,375,807.80 = 135,330,072.22/x - Step 3: Cross multiply
235,785,100.36x = 325,375,807.80 × 135,330,072.22 - Step 4: Simplify right side
235,785,100.36x = 44,033,131,568,214,840 - Step 5: Solve for x
x = 44,033,131,568,214,840/235,785,100.36 - Step 6: Final answer
x = 186,751,119.99
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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.