Finding the Fourth Proportional to 177,188,414.20, 265,782,621.30 and 108,809,380.60
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Solution
The fourth proportional to 177,188,414.20, 265,782,621.30 and 108,809,380.60 is: 163,214,070.90
Step by Step Solution
- Step 1: Write the proportion equation
177,188,414.20 : 265,782,621.30 = 108,809,380.60 : x - Step 2: Convert to fraction form
177,188,414.20/265,782,621.30 = 108,809,380.60/x - Step 3: Cross multiply
177,188,414.20x = 265,782,621.30 × 108,809,380.60 - Step 4: Simplify right side
177,188,414.20x = 28,919,642,397,897,368 - Step 5: Solve for x
x = 28,919,642,397,897,368/177,188,414.20 - Step 6: Final answer
x = 163,214,070.90
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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.