Finding the Fourth Proportional to 201,472,367.20, 302,059,251.60 and 136,614,306.40
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Solution
The fourth proportional to 201,472,367.20, 302,059,251.60 and 136,614,306.40 is: 204,820,222.86
Step by Step Solution
- Step 1: Write the proportion equation
201,472,367.20 : 302,059,251.60 = 136,614,306.40 : x - Step 2: Convert to fraction form
201,472,367.20/302,059,251.60 = 136,614,306.40/x - Step 3: Cross multiply
201,472,367.20x = 302,059,251.60 × 136,614,306.40 - Step 4: Simplify right side
201,472,367.20x = 41,265,615,149,037,096 - Step 5: Solve for x
x = 41,265,615,149,037,096/201,472,367.20 - Step 6: Final answer
x = 204,820,222.86
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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.