Finding the Fourth Proportional to 75,890,879.68, 104,729,447.84 and 41,083,568.96
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Solution
The fourth proportional to 75,890,879.68, 104,729,447.84 and 41,083,568.96 is: 56,695,343.51
Step by Step Solution
- Step 1: Write the proportion equation
75,890,879.68 : 104,729,447.84 = 41,083,568.96 : x - Step 2: Convert to fraction form
75,890,879.68/104,729,447.84 = 41,083,568.96/x - Step 3: Cross multiply
75,890,879.68x = 104,729,447.84 × 41,083,568.96 - Step 4: Simplify right side
75,890,879.68x = 4,302,659,492,477,363.50 - Step 5: Solve for x
x = 4,302,659,492,477,363.50/75,890,879.68 - Step 6: Final answer
x = 56,695,343.51
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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.