Finding the Fourth Proportional to 62,078,998.97, 85,669,042.02 and 35,988,640.99
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Solution
The fourth proportional to 62,078,998.97, 85,669,042.02 and 35,988,640.99 is: 49,664,338.15
Step by Step Solution
- Step 1: Write the proportion equation
62,078,998.97 : 85,669,042.02 = 35,988,640.99 : x - Step 2: Convert to fraction form
62,078,998.97/85,669,042.02 = 35,988,640.99/x - Step 3: Cross multiply
62,078,998.97x = 85,669,042.02 × 35,988,640.99 - Step 4: Simplify right side
62,078,998.97x = 3,083,112,396,786,659 - Step 5: Solve for x
x = 3,083,112,396,786,659/62,078,998.97 - Step 6: Final answer
x = 49,664,338.15
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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.