Finding the Fourth Proportional to 77,767,922.24, 107,322,993.36 and 44,728,180.56
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Solution
The fourth proportional to 77,767,922.24, 107,322,993.36 and 44,728,180.56 is: 61,726,764.54
Step by Step Solution
- Step 1: Write the proportion equation
77,767,922.24 : 107,322,993.36 = 44,728,180.56 : x - Step 2: Convert to fraction form
77,767,922.24/107,322,993.36 = 44,728,180.56/x - Step 3: Cross multiply
77,767,922.24x = 107,322,993.36 × 44,728,180.56 - Step 4: Simplify right side
77,767,922.24x = 4,800,362,225,245,761 - Step 5: Solve for x
x = 4,800,362,225,245,761/77,767,922.24 - Step 6: Final answer
x = 61,726,764.54
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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.