Finding the Fourth Proportional to 99,620,728.30, 149,459,086.05 and 48,504,414.70
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Solution
The fourth proportional to 99,620,728.30, 149,459,086.05 and 48,504,414.70 is: 72,770,251.88
Step by Step Solution
- Step 1: Write the proportion equation
99,620,728.30 : 149,459,086.05 = 48,504,414.70 : x - Step 2: Convert to fraction form
99,620,728.30/149,459,086.05 = 48,504,414.70/x - Step 3: Cross multiply
99,620,728.30x = 149,459,086.05 × 48,504,414.70 - Step 4: Simplify right side
99,620,728.30x = 7,249,425,490,452,186 - Step 5: Solve for x
x = 7,249,425,490,452,186/99,620,728.30 - Step 6: Final answer
x = 72,770,251.88
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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.