Finding the Fourth Proportional to 202,230,075.70, 303,345,113.55 and 100,193,403.70
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Solution
The fourth proportional to 202,230,075.70, 303,345,113.55 and 100,193,403.70 is: 150,290,105.55
Step by Step Solution
- Step 1: Write the proportion equation
202,230,075.70 : 303,345,113.55 = 100,193,403.70 : x - Step 2: Convert to fraction form
202,230,075.70/303,345,113.55 = 100,193,403.70/x - Step 3: Cross multiply
202,230,075.70x = 303,345,113.55 × 100,193,403.70 - Step 4: Simplify right side
202,230,075.70x = 30,393,179,422,337,492 - Step 5: Solve for x
x = 30,393,179,422,337,492/202,230,075.70 - Step 6: Final answer
x = 150,290,105.55
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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.