Finding the Fourth Proportional to 75,748,078.95, 113,626,918.64 and 32,020,687.92
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Solution
The fourth proportional to 75,748,078.95, 113,626,918.64 and 32,020,687.92 is: 48,033,061.05
Step by Step Solution
- Step 1: Write the proportion equation
75,748,078.95 : 113,626,918.64 = 32,020,687.92 : x - Step 2: Convert to fraction form
75,748,078.95/113,626,918.64 = 32,020,687.92/x - Step 3: Cross multiply
75,748,078.95x = 113,626,918.64 × 32,020,687.92 - Step 4: Simplify right side
75,748,078.95x = 3,638,412,100,922,568 - Step 5: Solve for x
x = 3,638,412,100,922,568/75,748,078.95 - Step 6: Final answer
x = 48,033,061.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.