Finding the Fourth Proportional to 268,931,147.60, 371,121,211.21 and 149,858,758.48
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Solution
The fourth proportional to 268,931,147.60, 371,121,211.21 and 149,858,758.48 is: 206,802,984.53
Step by Step Solution
- Step 1: Write the proportion equation
268,931,147.60 : 371,121,211.21 = 149,858,758.48 : x - Step 2: Convert to fraction form
268,931,147.60/371,121,211.21 = 149,858,758.48/x - Step 3: Cross multiply
268,931,147.60x = 371,121,211.21 × 149,858,758.48 - Step 4: Simplify right side
268,931,147.60x = 55,615,763,957,524,448 - Step 5: Solve for x
x = 55,615,763,957,524,448/268,931,147.60 - Step 6: Final answer
x = 206,802,984.53
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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.