Finding the Fourth Proportional to 202,242,863.80, 303,364,295.70 and 196,574,159.80
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Solution
The fourth proportional to 202,242,863.80, 303,364,295.70 and 196,574,159.80 is: 294,861,239.70
Step by Step Solution
- Step 1: Write the proportion equation
202,242,863.80 : 303,364,295.70 = 196,574,159.80 : x - Step 2: Convert to fraction form
202,242,863.80/303,364,295.70 = 196,574,159.80/x - Step 3: Cross multiply
202,242,863.80x = 303,364,295.70 × 196,574,159.80 - Step 4: Simplify right side
202,242,863.80x = 59,633,581,540,546,256 - Step 5: Solve for x
x = 59,633,581,540,546,256/202,242,863.80 - Step 6: Final answer
x = 294,861,239.70
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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.