Finding the Fourth Proportional to 146,528,442.15, 202,209,648.05 and 80,453,220.18
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Solution
The fourth proportional to 146,528,442.15, 202,209,648.05 and 80,453,220.18 is: 111,025,662.31
Step by Step Solution
- Step 1: Write the proportion equation
146,528,442.15 : 202,209,648.05 = 80,453,220.18 : x - Step 2: Convert to fraction form
146,528,442.15/202,209,648.05 = 80,453,220.18/x - Step 3: Cross multiply
146,528,442.15x = 202,209,648.05 × 80,453,220.18 - Step 4: Simplify right side
146,528,442.15x = 16,268,417,337,086,960 - Step 5: Solve for x
x = 16,268,417,337,086,960/146,528,442.15 - Step 6: Final answer
x = 111,025,662.31
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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.