Finding the Fourth Proportional to 199,588,245.30, 299,382,367.95 and 196,900,859.70
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Solution
The fourth proportional to 199,588,245.30, 299,382,367.95 and 196,900,859.70 is: 295,351,289.55
Step by Step Solution
- Step 1: Write the proportion equation
199,588,245.30 : 299,382,367.95 = 196,900,859.70 : x - Step 2: Convert to fraction form
199,588,245.30/299,382,367.95 = 196,900,859.70/x - Step 3: Cross multiply
199,588,245.30x = 299,382,367.95 × 196,900,859.70 - Step 4: Simplify right side
199,588,245.30x = 58,948,645,628,376,720 - Step 5: Solve for x
x = 58,948,645,628,376,720/199,588,245.30 - Step 6: Final answer
x = 295,351,289.55
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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.