Finding the Fourth Proportional to 246,157,945.20, 369,256,469.58 and 82,396,566.18
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Solution
The fourth proportional to 246,157,945.20, 369,256,469.58 and 82,396,566.18 is: 123,601,393.85
Step by Step Solution
- Step 1: Write the proportion equation
246,157,945.20 : 369,256,469.58 = 82,396,566.18 : x - Step 2: Convert to fraction form
246,157,945.20/369,256,469.58 = 82,396,566.18/x - Step 3: Cross multiply
246,157,945.20x = 369,256,469.58 × 82,396,566.18 - Step 4: Simplify right side
246,157,945.20x = 30,425,465,133,141,628 - Step 5: Solve for x
x = 30,425,465,133,141,628/246,157,945.20 - Step 6: Final answer
x = 123,601,393.85
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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.