Finding the Fourth Proportional to 144,430,858.66, 199,314,584.96 and 82,552,525.84
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Solution
The fourth proportional to 144,430,858.66, 199,314,584.96 and 82,552,525.84 is: 113,922,485.66
Step by Step Solution
- Step 1: Write the proportion equation
144,430,858.66 : 199,314,584.96 = 82,552,525.84 : x - Step 2: Convert to fraction form
144,430,858.66/199,314,584.96 = 82,552,525.84/x - Step 3: Cross multiply
144,430,858.66x = 199,314,584.96 × 82,552,525.84 - Step 4: Simplify right side
144,430,858.66x = 16,453,922,424,786,514 - Step 5: Solve for x
x = 16,453,922,424,786,514/144,430,858.66 - Step 6: Final answer
x = 113,922,485.66
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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.