Finding the Fourth Proportional to 75,716,239.57, 104,574,600.75 and 50,893,330.63
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Solution
The fourth proportional to 75,716,239.57, 104,574,600.75 and 50,893,330.63 is: 70,290,729.73
Step by Step Solution
- Step 1: Write the proportion equation
75,716,239.57 : 104,574,600.75 = 50,893,330.63 : x - Step 2: Convert to fraction form
75,716,239.57/104,574,600.75 = 50,893,330.63/x - Step 3: Cross multiply
75,716,239.57x = 104,574,600.75 × 50,893,330.63 - Step 4: Simplify right side
75,716,239.57x = 5,322,149,731,469,996 - Step 5: Solve for x
x = 5,322,149,731,469,996/75,716,239.57 - Step 6: Final answer
x = 70,290,729.73
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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.