Finding the Fourth Proportional to 231,787,232.70, 347,727,505.05 and 68,024,672.70
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Solution
The fourth proportional to 231,787,232.70, 347,727,505.05 and 68,024,672.70 is: 102,050,701.60
Step by Step Solution
- Step 1: Write the proportion equation
231,787,232.70 : 347,727,505.05 = 68,024,672.70 : x - Step 2: Convert to fraction form
231,787,232.70/347,727,505.05 = 68,024,672.70/x - Step 3: Cross multiply
231,787,232.70x = 347,727,505.05 × 68,024,672.70 - Step 4: Simplify right side
231,787,232.70x = 23,654,049,719,813,848 - Step 5: Solve for x
x = 23,654,049,719,813,848/231,787,232.70 - Step 6: Final answer
x = 102,050,701.60
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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.