Finding the Fourth Proportional to 213,192,309.16, 294,207,414.87 and 125,087,805.64
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Solution
The fourth proportional to 213,192,309.16, 294,207,414.87 and 125,087,805.64 is: 172,622,361.82
Step by Step Solution
- Step 1: Write the proportion equation
213,192,309.16 : 294,207,414.87 = 125,087,805.64 : x - Step 2: Convert to fraction form
213,192,309.16/294,207,414.87 = 125,087,805.64/x - Step 3: Cross multiply
213,192,309.16x = 294,207,414.87 × 125,087,805.64 - Step 4: Simplify right side
213,192,309.16x = 36,801,759,929,105,408 - Step 5: Solve for x
x = 36,801,759,929,105,408/213,192,309.16 - Step 6: Final answer
x = 172,622,361.82
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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.