Finding the Fourth Proportional to 50,649,165.74, 69,899,395.97 and 28,624,700.63
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Solution
The fourth proportional to 50,649,165.74, 69,899,395.97 and 28,624,700.63 is: 39,504,091.62
Step by Step Solution
- Step 1: Write the proportion equation
50,649,165.74 : 69,899,395.97 = 28,624,700.63 : x - Step 2: Convert to fraction form
50,649,165.74/69,899,395.97 = 28,624,700.63/x - Step 3: Cross multiply
50,649,165.74x = 69,899,395.97 × 28,624,700.63 - Step 4: Simplify right side
50,649,165.74x = 2,000,849,283,859,078.25 - Step 5: Solve for x
x = 2,000,849,283,859,078.25/50,649,165.74 - Step 6: Final answer
x = 39,504,091.62
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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.