Finding the Fourth Proportional to 49,170,272.86, 67,853,197.83 and 27,143,299.18
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Solution
The fourth proportional to 49,170,272.86, 67,853,197.83 and 27,143,299.18 is: 37,456,770.97
Step by Step Solution
- Step 1: Write the proportion equation
49,170,272.86 : 67,853,197.83 = 27,143,299.18 : x - Step 2: Convert to fraction form
49,170,272.86/67,853,197.83 = 27,143,299.18/x - Step 3: Cross multiply
49,170,272.86x = 67,853,197.83 × 27,143,299.18 - Step 4: Simplify right side
49,170,272.86x = 1,841,759,649,019,416.75 - Step 5: Solve for x
x = 1,841,759,649,019,416.75/49,170,272.86 - Step 6: Final answer
x = 37,456,770.97
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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.