Finding the Fourth Proportional to 263,268,835.20, 394,903,252.80 and 134,128,672.20
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Solution
The fourth proportional to 263,268,835.20, 394,903,252.80 and 134,128,672.20 is: 201,193,008.30
Step by Step Solution
- Step 1: Write the proportion equation
263,268,835.20 : 394,903,252.80 = 134,128,672.20 : x - Step 2: Convert to fraction form
263,268,835.20/394,903,252.80 = 134,128,672.20/x - Step 3: Cross multiply
263,268,835.20x = 394,903,252.80 × 134,128,672.20 - Step 4: Simplify right side
263,268,835.20x = 52,967,848,945,524,936 - Step 5: Solve for x
x = 52,967,848,945,524,936/263,268,835.20 - Step 6: Final answer
x = 201,193,008.30
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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.