Finding the Fourth Proportional to 263,267,907.70, 394,901,861.55 and 134,127,744.70
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Solution
The fourth proportional to 263,267,907.70, 394,901,861.55 and 134,127,744.70 is: 201,191,617.05
Step by Step Solution
- Step 1: Write the proportion equation
263,267,907.70 : 394,901,861.55 = 134,127,744.70 : x - Step 2: Convert to fraction form
263,267,907.70/394,901,861.55 = 134,127,744.70/x - Step 3: Cross multiply
263,267,907.70x = 394,901,861.55 × 134,127,744.70 - Step 4: Simplify right side
263,267,907.70x = 52,967,296,067,533,152 - Step 5: Solve for x
x = 52,967,296,067,533,152/263,267,907.70 - Step 6: Final answer
x = 201,191,617.05
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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.