Finding the Fourth Proportional to 213,192,115.06, 294,207,147.09 and 125,087,611.74
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Solution
The fourth proportional to 213,192,115.06, 294,207,147.09 and 125,087,611.74 is: 172,622,094.28
Step by Step Solution
- Step 1: Write the proportion equation
213,192,115.06 : 294,207,147.09 = 125,087,611.74 : x - Step 2: Convert to fraction form
213,192,115.06/294,207,147.09 = 125,087,611.74/x - Step 3: Cross multiply
213,192,115.06x = 294,207,147.09 × 125,087,611.74 - Step 4: Simplify right side
213,192,115.06x = 36,801,669,386,326,984 - Step 5: Solve for x
x = 36,801,669,386,326,984/213,192,115.06 - Step 6: Final answer
x = 172,622,094.28
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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.