Finding the Fourth Proportional to 129,473,983.40, 194,285,624.70 and 48,752,882.60
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Solution
The fourth proportional to 129,473,983.40, 194,285,624.70 and 48,752,882.60 is: 73,157,432.89
Step by Step Solution
- Step 1: Write the proportion equation
129,473,983.40 : 194,285,624.70 = 48,752,882.60 : x - Step 2: Convert to fraction form
129,473,983.40/194,285,624.70 = 48,752,882.60/x - Step 3: Cross multiply
129,473,983.40x = 194,285,624.70 × 48,752,882.60 - Step 4: Simplify right side
129,473,983.40x = 9,471,984,251,866,760 - Step 5: Solve for x
x = 9,471,984,251,866,760/129,473,983.40 - Step 6: Final answer
x = 73,157,432.89
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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.