Finding the Fourth Proportional to 75,741,753.84, 104,524,099.56 and 40,934,362.56
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Solution
The fourth proportional to 75,741,753.84, 104,524,099.56 and 40,934,362.56 is: 56,489,679.35
Step by Step Solution
- Step 1: Write the proportion equation
75,741,753.84 : 104,524,099.56 = 40,934,362.56 : x - Step 2: Convert to fraction form
75,741,753.84/104,524,099.56 = 40,934,362.56/x - Step 3: Cross multiply
75,741,753.84x = 104,524,099.56 × 40,934,362.56 - Step 4: Simplify right side
75,741,753.84x = 4,278,627,387,646,577 - Step 5: Solve for x
x = 4,278,627,387,646,577/75,741,753.84 - Step 6: Final answer
x = 56,489,679.35
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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.