Finding the Fourth Proportional to 66,419,492.20, 99,647,900.70 and 32,341,949.80
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Solution
The fourth proportional to 66,419,492.20, 99,647,900.70 and 32,341,949.80 is: 48,522,012.07
Step by Step Solution
- Step 1: Write the proportion equation
66,419,492.20 : 99,647,900.70 = 32,341,949.80 : x - Step 2: Convert to fraction form
66,419,492.20/99,647,900.70 = 32,341,949.80/x - Step 3: Cross multiply
66,419,492.20x = 99,647,900.70 × 32,341,949.80 - Step 4: Simplify right side
66,419,492.20x = 3,222,807,402,114,785 - Step 5: Solve for x
x = 3,222,807,402,114,785/66,419,492.20 - Step 6: Final answer
x = 48,522,012.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.