Finding the Fourth Proportional to 195,612,163.20, 293,418,244.80 and 126,737,409.60
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Solution
The fourth proportional to 195,612,163.20, 293,418,244.80 and 126,737,409.60 is: 190,106,114.40
Step by Step Solution
- Step 1: Write the proportion equation
195,612,163.20 : 293,418,244.80 = 126,737,409.60 : x - Step 2: Convert to fraction form
195,612,163.20/293,418,244.80 = 126,737,409.60/x - Step 3: Cross multiply
195,612,163.20x = 293,418,244.80 × 126,737,409.60 - Step 4: Simplify right side
195,612,163.20x = 37,187,068,275,330,672 - Step 5: Solve for x
x = 37,187,068,275,330,672/195,612,163.20 - Step 6: Final answer
x = 190,106,114.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.