Finding the Fourth Proportional to 49,170,288.79, 67,853,219.97 and 27,143,315.38
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Solution
The fourth proportional to 49,170,288.79, 67,853,219.97 and 27,143,315.38 is: 37,456,793.41
Step by Step Solution
- Step 1: Write the proportion equation
49,170,288.79 : 67,853,219.97 = 27,143,315.38 : x - Step 2: Convert to fraction form
49,170,288.79/67,853,219.97 = 27,143,315.38/x - Step 3: Cross multiply
49,170,288.79x = 67,853,219.97 × 27,143,315.38 - Step 4: Simplify right side
49,170,288.79x = 1,841,761,349,194,224 - Step 5: Solve for x
x = 1,841,761,349,194,224/49,170,288.79 - Step 6: Final answer
x = 37,456,793.41
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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.