Finding the Fourth Proportional to 49,258,249.81, 67,965,107.34 and 29,408,151.94
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Solution
The fourth proportional to 49,258,249.81, 67,965,107.34 and 29,408,151.94 is: 40,576,516.85
Step by Step Solution
- Step 1: Write the proportion equation
49,258,249.81 : 67,965,107.34 = 29,408,151.94 : x - Step 2: Convert to fraction form
49,258,249.81/67,965,107.34 = 29,408,151.94/x - Step 3: Cross multiply
49,258,249.81x = 67,965,107.34 × 29,408,151.94 - Step 4: Simplify right side
49,258,249.81x = 1,998,728,203,273,129.50 - Step 5: Solve for x
x = 1,998,728,203,273,129.50/49,258,249.81 - Step 6: Final answer
x = 40,576,516.85
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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.