Finding the Fourth Proportional to 195,843,207.20, 293,764,810.80 and 68,192,391.20
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Solution
The fourth proportional to 195,843,207.20, 293,764,810.80 and 68,192,391.20 is: 102,288,586.80
Step by Step Solution
- Step 1: Write the proportion equation
195,843,207.20 : 293,764,810.80 = 68,192,391.20 : x - Step 2: Convert to fraction form
195,843,207.20/293,764,810.80 = 68,192,391.20/x - Step 3: Cross multiply
195,843,207.20x = 293,764,810.80 × 68,192,391.20 - Step 4: Simplify right side
195,843,207.20x = 20,032,524,898,867,588 - Step 5: Solve for x
x = 20,032,524,898,867,588/195,843,207.20 - Step 6: Final answer
x = 102,288,586.80
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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.