Finding the Fourth Proportional to 146,984,813.80, 220,477,220.70 and 112,972,589.80
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Solution
The fourth proportional to 146,984,813.80, 220,477,220.70 and 112,972,589.80 is: 169,458,884.70
Step by Step Solution
- Step 1: Write the proportion equation
146,984,813.80 : 220,477,220.70 = 112,972,589.80 : x - Step 2: Convert to fraction form
146,984,813.80/220,477,220.70 = 112,972,589.80/x - Step 3: Cross multiply
146,984,813.80x = 220,477,220.70 × 112,972,589.80 - Step 4: Simplify right side
146,984,813.80x = 24,907,882,614,385,168 - Step 5: Solve for x
x = 24,907,882,614,385,168/146,984,813.80 - Step 6: Final answer
x = 169,458,884.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.