Finding the Fourth Proportional to 129,624,533.40, 194,511,449.70 and 48,903,432.60
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Solution
The fourth proportional to 129,624,533.40, 194,511,449.70 and 48,903,432.60 is: 73,383,311.95
Step by Step Solution
- Step 1: Write the proportion equation
129,624,533.40 : 194,511,449.70 = 48,903,432.60 : x - Step 2: Convert to fraction form
129,624,533.40/194,511,449.70 = 48,903,432.60/x - Step 3: Cross multiply
129,624,533.40x = 194,511,449.70 × 48,903,432.60 - Step 4: Simplify right side
129,624,533.40x = 9,512,277,570,332,240 - Step 5: Solve for x
x = 9,512,277,570,332,240/129,624,533.40 - Step 6: Final answer
x = 73,383,311.95
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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.