Finding the Fourth Proportional to 170,669,397.36, 235,524,177.77 and 92,353,791.23
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Solution
The fourth proportional to 170,669,397.36, 235,524,177.77 and 92,353,791.23 is: 127,448,453.43
Step by Step Solution
- Step 1: Write the proportion equation
170,669,397.36 : 235,524,177.77 = 92,353,791.23 : x - Step 2: Convert to fraction form
170,669,397.36/235,524,177.77 = 92,353,791.23/x - Step 3: Cross multiply
170,669,397.36x = 235,524,177.77 × 92,353,791.23 - Step 4: Simplify right side
170,669,397.36x = 21,751,550,741,748,596 - Step 5: Solve for x
x = 21,751,550,741,748,596/170,669,397.36 - Step 6: Final answer
x = 127,448,453.43
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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.