Finding the Fourth Proportional to 49,931,340.67, 68,907,378.14 and 27,904,839.44
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Solution
The fourth proportional to 49,931,340.67, 68,907,378.14 and 27,904,839.44 is: 38,509,867.69
Step by Step Solution
- Step 1: Write the proportion equation
49,931,340.67 : 68,907,378.14 = 27,904,839.44 : x - Step 2: Convert to fraction form
49,931,340.67/68,907,378.14 = 27,904,839.44/x - Step 3: Cross multiply
49,931,340.67x = 68,907,378.14 × 27,904,839.44 - Step 4: Simplify right side
49,931,340.67x = 1,922,849,322,744,004.75 - Step 5: Solve for x
x = 1,922,849,322,744,004.75/49,931,340.67 - Step 6: Final answer
x = 38,509,867.69
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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.