Finding the Fourth Proportional to 207,268,960.20, 310,761,722.70 and 98,146,408.20
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Solution
The fourth proportional to 207,268,960.20, 310,761,722.70 and 98,146,408.20 is: 147,152,505.90
Step by Step Solution
- Step 1: Write the proportion equation
207,268,960.20 : 310,761,722.70 = 98,146,408.20 : x - Step 2: Convert to fraction form
207,268,960.20/310,761,722.70 = 98,146,408.20/x - Step 3: Cross multiply
207,268,960.20x = 310,761,722.70 × 98,146,408.20 - Step 4: Simplify right side
207,268,960.20x = 30,500,146,889,049,404 - Step 5: Solve for x
x = 30,500,146,889,049,404/207,268,960.20 - Step 6: Final answer
x = 147,152,505.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.