Finding the Fourth Proportional to 154,831,275.20, 232,246,912.80 and 114,520,491.20
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Solution
The fourth proportional to 154,831,275.20, 232,246,912.80 and 114,520,491.20 is: 171,780,736.80
Step by Step Solution
- Step 1: Write the proportion equation
154,831,275.20 : 232,246,912.80 = 114,520,491.20 : x - Step 2: Convert to fraction form
154,831,275.20/232,246,912.80 = 114,520,491.20/x - Step 3: Cross multiply
154,831,275.20x = 232,246,912.80 × 114,520,491.20 - Step 4: Simplify right side
154,831,275.20x = 26,597,030,533,539,568 - Step 5: Solve for x
x = 26,597,030,533,539,568/154,831,275.20 - Step 6: Final answer
x = 171,780,736.80
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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.