Finding the Fourth Proportional to 146,528,432.39, 202,209,634.58 and 80,453,210.42
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Solution
The fourth proportional to 146,528,432.39, 202,209,634.58 and 80,453,210.42 is: 111,025,648.84
Step by Step Solution
- Step 1: Write the proportion equation
146,528,432.39 : 202,209,634.58 = 80,453,210.42 : x - Step 2: Convert to fraction form
146,528,432.39/202,209,634.58 = 80,453,210.42/x - Step 3: Cross multiply
146,528,432.39x = 202,209,634.58 × 80,453,210.42 - Step 4: Simplify right side
146,528,432.39x = 16,268,414,279,816,050 - Step 5: Solve for x
x = 16,268,414,279,816,050/146,528,432.39 - Step 6: Final answer
x = 111,025,648.84
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1.5x scale
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.