Finding the Fourth Proportional to 252,059,180.20, 378,088,770.30 and 161,285,266.60
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Solution
The fourth proportional to 252,059,180.20, 378,088,770.30 and 161,285,266.60 is: 241,927,899.90
Step by Step Solution
- Step 1: Write the proportion equation
252,059,180.20 : 378,088,770.30 = 161,285,266.60 : x - Step 2: Convert to fraction form
252,059,180.20/378,088,770.30 = 161,285,266.60/x - Step 3: Cross multiply
252,059,180.20x = 378,088,770.30 × 161,285,266.60 - Step 4: Simplify right side
252,059,180.20x = 60,980,148,116,301,664 - Step 5: Solve for x
x = 60,980,148,116,301,664/252,059,180.20 - Step 6: Final answer
x = 241,927,899.90
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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.