Finding the Fourth Proportional to 146,528,435.15, 202,209,638.39 and 80,453,213.18
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Solution
The fourth proportional to 146,528,435.15, 202,209,638.39 and 80,453,213.18 is: 111,025,652.65
Step by Step Solution
- Step 1: Write the proportion equation
146,528,435.15 : 202,209,638.39 = 80,453,213.18 : x - Step 2: Convert to fraction form
146,528,435.15/202,209,638.39 = 80,453,213.18/x - Step 3: Cross multiply
146,528,435.15x = 202,209,638.39 × 80,453,213.18 - Step 4: Simplify right side
146,528,435.15x = 16,268,415,144,441,382 - Step 5: Solve for x
x = 16,268,415,144,441,382/146,528,435.15 - Step 6: Final answer
x = 111,025,652.65
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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.