Finding the Fourth Proportional to 146,528,433.14, 202,209,635.62 and 80,453,211.17
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Solution
The fourth proportional to 146,528,433.14, 202,209,635.62 and 80,453,211.17 is: 111,025,649.88
Step by Step Solution
- Step 1: Write the proportion equation
146,528,433.14 : 202,209,635.62 = 80,453,211.17 : x - Step 2: Convert to fraction form
146,528,433.14/202,209,635.62 = 80,453,211.17/x - Step 3: Cross multiply
146,528,433.14x = 202,209,635.62 × 80,453,211.17 - Step 4: Simplify right side
146,528,433.14x = 16,268,414,515,144,614 - Step 5: Solve for x
x = 16,268,414,515,144,614/146,528,433.14 - Step 6: Final answer
x = 111,025,649.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.