Finding the Fourth Proportional to 83,644,183.20, 125,472,495.60 and 29,784,496.80
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Solution
The fourth proportional to 83,644,183.20, 125,472,495.60 and 29,784,496.80 is: 44,678,960.34
Step by Step Solution
- Step 1: Write the proportion equation
83,644,183.20 : 125,472,495.60 = 29,784,496.80 : x - Step 2: Convert to fraction form
83,644,183.20/125,472,495.60 = 29,784,496.80/x - Step 3: Cross multiply
83,644,183.20x = 125,472,495.60 × 29,784,496.80 - Step 4: Simplify right side
83,644,183.20x = 3,737,135,143,686,214 - Step 5: Solve for x
x = 3,737,135,143,686,214/83,644,183.20 - Step 6: Final answer
x = 44,678,960.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.