Finding the Fourth Proportional to 66,245,639.20, 99,309,361.20 and 25,846,727.20
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Solution
The fourth proportional to 66,245,639.20, 99,309,361.20 and 25,846,727.20 is: 38,747,032.99
Step by Step Solution
- Step 1: Write the proportion equation
66,245,639.20 : 99,309,361.20 = 25,846,727.20 : x - Step 2: Convert to fraction form
66,245,639.20/99,309,361.20 = 25,846,727.20/x - Step 3: Cross multiply
66,245,639.20x = 99,309,361.20 × 25,846,727.20 - Step 4: Simplify right side
66,245,639.20x = 2,566,821,967,342,664.50 - Step 5: Solve for x
x = 2,566,821,967,342,664.50/66,245,639.20 - Step 6: Final answer
x = 38,747,032.99
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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.