Finding the Fourth Proportional to 135,040,123.62, 186,355,565.60 and 73,160,460.36
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Solution
The fourth proportional to 135,040,123.62, 186,355,565.60 and 73,160,460.36 is: 100,961,540.94
Step by Step Solution
- Step 1: Write the proportion equation
135,040,123.62 : 186,355,565.60 = 73,160,460.36 : x - Step 2: Convert to fraction form
135,040,123.62/186,355,565.60 = 73,160,460.36/x - Step 3: Cross multiply
135,040,123.62x = 186,355,565.60 × 73,160,460.36 - Step 4: Simplify right side
135,040,123.62x = 13,633,858,969,578,378 - Step 5: Solve for x
x = 13,633,858,969,578,378/135,040,123.62 - Step 6: Final answer
x = 100,961,540.94
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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.