Finding the Fourth Proportional to 49,521,983.77, 68,342,471.97 and 27,495,486.15
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Solution
The fourth proportional to 49,521,983.77, 68,342,471.97 and 27,495,486.15 is: 37,944,955.92
Step by Step Solution
- Step 1: Write the proportion equation
49,521,983.77 : 68,342,471.97 = 27,495,486.15 : x - Step 2: Convert to fraction form
49,521,983.77/68,342,471.97 = 27,495,486.15/x - Step 3: Cross multiply
49,521,983.77x = 68,342,471.97 × 27,495,486.15 - Step 4: Simplify right side
49,521,983.77x = 1,879,109,491,303,167.75 - Step 5: Solve for x
x = 1,879,109,491,303,167.75/49,521,983.77 - Step 6: Final answer
x = 37,944,955.92
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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.