Finding the Fourth Proportional to 68,940,553.75, 95,135,101.43 and 37,577,913.05
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Solution
The fourth proportional to 68,940,553.75, 95,135,101.43 and 37,577,913.05 is: 51,855,959.60
Step by Step Solution
- Step 1: Write the proportion equation
68,940,553.75 : 95,135,101.43 = 37,577,913.05 : x - Step 2: Convert to fraction form
68,940,553.75/95,135,101.43 = 37,577,913.05/x - Step 3: Cross multiply
68,940,553.75x = 95,135,101.43 × 37,577,913.05 - Step 4: Simplify right side
68,940,553.75x = 3,574,978,569,589,419 - Step 5: Solve for x
x = 3,574,978,569,589,419/68,940,553.75 - Step 6: Final answer
x = 51,855,959.60
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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.