Finding the Fourth Proportional to 213,192,111.56, 294,207,142.26 and 125,087,608.24
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Solution
The fourth proportional to 213,192,111.56, 294,207,142.26 and 125,087,608.24 is: 172,622,089.45
Step by Step Solution
- Step 1: Write the proportion equation
213,192,111.56 : 294,207,142.26 = 125,087,608.24 : x - Step 2: Convert to fraction form
213,192,111.56/294,207,142.26 = 125,087,608.24/x - Step 3: Cross multiply
213,192,111.56x = 294,207,142.26 × 125,087,608.24 - Step 4: Simplify right side
213,192,111.56x = 36,801,667,752,428,824 - Step 5: Solve for x
x = 36,801,667,752,428,824/213,192,111.56 - Step 6: Final answer
x = 172,622,089.45
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1.5x scale
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.