Finding the Fourth Proportional to 129,624,532.40, 194,511,448.20 and 48,903,431.60
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Solution
The fourth proportional to 129,624,532.40, 194,511,448.20 and 48,903,431.60 is: 73,383,310.45
Step by Step Solution
- Step 1: Write the proportion equation
129,624,532.40 : 194,511,448.20 = 48,903,431.60 : x - Step 2: Convert to fraction form
129,624,532.40/194,511,448.20 = 48,903,431.60/x - Step 3: Cross multiply
129,624,532.40x = 194,511,448.20 × 48,903,431.60 - Step 4: Simplify right side
129,624,532.40x = 9,512,277,302,465,642 - Step 5: Solve for x
x = 9,512,277,302,465,642/129,624,532.40 - Step 6: Final answer
x = 73,383,310.45
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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.