Finding the Fourth Proportional to 144,458,791.58, 199,350,618.36 and 87,923,101.52
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Solution
The fourth proportional to 144,458,791.58, 199,350,618.36 and 87,923,101.52 is: 121,332,349.97
Step by Step Solution
- Step 1: Write the proportion equation
144,458,791.58 : 199,350,618.36 = 87,923,101.52 : x - Step 2: Convert to fraction form
144,458,791.58/199,350,618.36 = 87,923,101.52/x - Step 3: Cross multiply
144,458,791.58x = 199,350,618.36 × 87,923,101.52 - Step 4: Simplify right side
144,458,791.58x = 17,527,524,656,141,056 - Step 5: Solve for x
x = 17,527,524,656,141,056/144,458,791.58 - Step 6: Final answer
x = 121,332,349.97
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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.