Finding the Fourth Proportional to 213,192,309.66, 294,207,415.56 and 125,087,806.14
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Solution
The fourth proportional to 213,192,309.66, 294,207,415.56 and 125,087,806.14 is: 172,622,362.51
Step by Step Solution
- Step 1: Write the proportion equation
213,192,309.66 : 294,207,415.56 = 125,087,806.14 : x - Step 2: Convert to fraction form
213,192,309.66/294,207,415.56 = 125,087,806.14/x - Step 3: Cross multiply
213,192,309.66x = 294,207,415.56 × 125,087,806.14 - Step 4: Simplify right side
213,192,309.66x = 36,801,760,162,519,704 - Step 5: Solve for x
x = 36,801,760,162,519,704/213,192,309.66 - Step 6: Final answer
x = 172,622,362.51
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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.