Finding the Fourth Proportional to 163,651,320,189.43, 225,806,067,879.21 and 91,382,265,378.08
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Solution
The fourth proportional to 163,651,320,189.43, 225,806,067,879.21 and 91,382,265,378.08 is: 126,089,236,524.54
Step by Step Solution
- Step 1: Write the proportion equation
163,651,320,189.43 : 225,806,067,879.21 = 91,382,265,378.08 : x - Step 2: Convert to fraction form
163,651,320,189.43/225,806,067,879.21 = 91,382,265,378.08/x - Step 3: Cross multiply
163,651,320,189.43x = 225,806,067,879.21 × 91,382,265,378.08 - Step 4: Simplify right side
163,651,320,189.43x = 20,634,670,018,917,583,290,368 - Step 5: Solve for x
x = 20,634,670,018,917,583,290,368/163,651,320,189.43 - Step 6: Final answer
x = 126,089,236,524.54
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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.