Finding the Fourth Proportional to 49,823,048.48, 68,755,849.70 and 27,796,551.32
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Solution
The fourth proportional to 49,823,048.48, 68,755,849.70 and 27,796,551.32 is: 38,359,264.70
Step by Step Solution
- Step 1: Write the proportion equation
49,823,048.48 : 68,755,849.70 = 27,796,551.32 : x - Step 2: Convert to fraction form
49,823,048.48/68,755,849.70 = 27,796,551.32/x - Step 3: Cross multiply
49,823,048.48x = 68,755,849.70 × 27,796,551.32 - Step 4: Simplify right side
49,823,048.48x = 1,911,175,504,736,256.75 - Step 5: Solve for x
x = 1,911,175,504,736,256.75/49,823,048.48 - Step 6: Final answer
x = 38,359,264.70
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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.