Finding the Fourth Proportional to 75,789,959.26, 104,590,769.21 and 41,843,611.80
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Solution
The fourth proportional to 75,789,959.26, 104,590,769.21 and 41,843,611.80 is: 57,744,529.59
Step by Step Solution
- Step 1: Write the proportion equation
75,789,959.26 : 104,590,769.21 = 41,843,611.80 : x - Step 2: Convert to fraction form
75,789,959.26/104,590,769.21 = 41,843,611.80/x - Step 3: Cross multiply
75,789,959.26x = 104,590,769.21 × 41,843,611.80 - Step 4: Simplify right side
75,789,959.26x = 4,376,455,544,869,907 - Step 5: Solve for x
x = 4,376,455,544,869,907/75,789,959.26 - Step 6: Final answer
x = 57,744,529.59
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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.