Finding the Fourth Proportional to 49,837,520.28, 68,775,790.69 and 27,510,519.06
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Solution
The fourth proportional to 49,837,520.28, 68,775,790.69 and 27,510,519.06 is: 37,964,523.32
Step by Step Solution
- Step 1: Write the proportion equation
49,837,520.28 : 68,775,790.69 = 27,510,519.06 : x - Step 2: Convert to fraction form
49,837,520.28/68,775,790.69 = 27,510,519.06/x - Step 3: Cross multiply
49,837,520.28x = 68,775,790.69 × 27,510,519.06 - Step 4: Simplify right side
49,837,520.28x = 1,892,057,700,716,854.75 - Step 5: Solve for x
x = 1,892,057,700,716,854.75/49,837,520.28 - Step 6: Final answer
x = 37,964,523.32
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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.