Finding the Fourth Proportional to 202,464,370.20, 303,696,555.30 and 133,589,616.60
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Solution
The fourth proportional to 202,464,370.20, 303,696,555.30 and 133,589,616.60 is: 200,384,424.90
Step by Step Solution
- Step 1: Write the proportion equation
202,464,370.20 : 303,696,555.30 = 133,589,616.60 : x - Step 2: Convert to fraction form
202,464,370.20/303,696,555.30 = 133,589,616.60/x - Step 3: Cross multiply
202,464,370.20x = 303,696,555.30 × 133,589,616.60 - Step 4: Simplify right side
202,464,370.20x = 40,570,706,385,267,696 - Step 5: Solve for x
x = 40,570,706,385,267,696/202,464,370.20 - Step 6: Final answer
x = 200,384,424.90
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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.