Finding the Fourth Proportional to 263,741,423.60, 395,612,135.40 and 134,746,914.80
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Solution
The fourth proportional to 263,741,423.60, 395,612,135.40 and 134,746,914.80 is: 202,120,372.20
Step by Step Solution
- Step 1: Write the proportion equation
263,741,423.60 : 395,612,135.40 = 134,746,914.80 : x - Step 2: Convert to fraction form
263,741,423.60/395,612,135.40 = 134,746,914.80/x - Step 3: Cross multiply
263,741,423.60x = 395,612,135.40 × 134,746,914.80 - Step 4: Simplify right side
263,741,423.60x = 53,307,514,702,589,864 - Step 5: Solve for x
x = 53,307,514,702,589,864/263,741,423.60 - Step 6: Final answer
x = 202,120,372.20
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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.