Finding the Fourth Proportional to 175,512,563.80, 263,268,845.70 and 89,419,121.80
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Solution
The fourth proportional to 175,512,563.80, 263,268,845.70 and 89,419,121.80 is: 134,128,682.70
Step by Step Solution
- Step 1: Write the proportion equation
175,512,563.80 : 263,268,845.70 = 89,419,121.80 : x - Step 2: Convert to fraction form
175,512,563.80/263,268,845.70 = 89,419,121.80/x - Step 3: Cross multiply
175,512,563.80x = 263,268,845.70 × 89,419,121.80 - Step 4: Simplify right side
175,512,563.80x = 23,541,268,979,793,704 - Step 5: Solve for x
x = 23,541,268,979,793,704/175,512,563.80 - Step 6: Final answer
x = 134,128,682.70
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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.