Finding the Fourth Proportional to 198,994,729.80, 298,492,094.70 and 60,820,069.80
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Solution
The fourth proportional to 198,994,729.80, 298,492,094.70 and 60,820,069.80 is: 91,230,104.70
Step by Step Solution
- Step 1: Write the proportion equation
198,994,729.80 : 298,492,094.70 = 60,820,069.80 : x - Step 2: Convert to fraction form
198,994,729.80/298,492,094.70 = 60,820,069.80/x - Step 3: Cross multiply
198,994,729.80x = 298,492,094.70 × 60,820,069.80 - Step 4: Simplify right side
198,994,729.80x = 18,154,310,034,402,208 - Step 5: Solve for x
x = 18,154,310,034,402,208/198,994,729.80 - Step 6: Final answer
x = 91,230,104.70
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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.