Finding the Fourth Proportional to 50,747,571.72, 70,031,716.56 and 27,542,698.68
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Solution
The fourth proportional to 50,747,571.72, 70,031,716.56 and 27,542,698.68 is: 38,008,960.86
Step by Step Solution
- Step 1: Write the proportion equation
50,747,571.72 : 70,031,716.56 = 27,542,698.68 : x - Step 2: Convert to fraction form
50,747,571.72/70,031,716.56 = 27,542,698.68/x - Step 3: Cross multiply
50,747,571.72x = 70,031,716.56 × 27,542,698.68 - Step 4: Simplify right side
50,747,571.72x = 1,928,862,467,401,690 - Step 5: Solve for x
x = 1,928,862,467,401,690/50,747,571.72 - Step 6: Final answer
x = 38,008,960.86
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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.