Finding the Fourth Proportional to 49,524,836.95, 68,344,407.86 and 27,498,378.97
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Solution
The fourth proportional to 49,524,836.95, 68,344,407.86 and 27,498,378.97 is: 37,947,836.75
Step by Step Solution
- Step 1: Write the proportion equation
49,524,836.95 : 68,344,407.86 = 27,498,378.97 : x - Step 2: Convert to fraction form
49,524,836.95/68,344,407.86 = 27,498,378.97/x - Step 3: Cross multiply
49,524,836.95x = 68,344,407.86 × 27,498,378.97 - Step 4: Simplify right side
49,524,836.95x = 1,879,360,427,814,526.50 - Step 5: Solve for x
x = 1,879,360,427,814,526.50/49,524,836.95 - Step 6: Final answer
x = 37,947,836.75
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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.