Finding the Fourth Proportional to 146,528,440.38, 202,209,645.63 and 80,453,218.41
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Solution
The fourth proportional to 146,528,440.38, 202,209,645.63 and 80,453,218.41 is: 111,025,659.88
Step by Step Solution
- Step 1: Write the proportion equation
146,528,440.38 : 202,209,645.63 = 80,453,218.41 : x - Step 2: Convert to fraction form
146,528,440.38/202,209,645.63 = 80,453,218.41/x - Step 3: Cross multiply
146,528,440.38x = 202,209,645.63 × 80,453,218.41 - Step 4: Simplify right side
146,528,440.38x = 16,268,416,784,479,090 - Step 5: Solve for x
x = 16,268,416,784,479,090/146,528,440.38 - Step 6: Final answer
x = 111,025,659.88
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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.