Finding the Fourth Proportional to 201,659,394.40, 302,489,091.60 and 199,746,206.80
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Solution
The fourth proportional to 201,659,394.40, 302,489,091.60 and 199,746,206.80 is: 299,619,310.20
Step by Step Solution
- Step 1: Write the proportion equation
201,659,394.40 : 302,489,091.60 = 199,746,206.80 : x - Step 2: Convert to fraction form
201,659,394.40/302,489,091.60 = 199,746,206.80/x - Step 3: Cross multiply
201,659,394.40x = 302,489,091.60 × 199,746,206.80 - Step 4: Simplify right side
201,659,394.40x = 60,421,048,645,477,752 - Step 5: Solve for x
x = 60,421,048,645,477,752/201,659,394.40 - Step 6: Final answer
x = 299,619,310.20
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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.