Finding the Fourth Proportional to 126,336,183.28, 174,345,134.84 and 74,126,107.12
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Solution
The fourth proportional to 126,336,183.28, 174,345,134.84 and 74,126,107.12 is: 102,294,733.03
Step by Step Solution
- Step 1: Write the proportion equation
126,336,183.28 : 174,345,134.84 = 74,126,107.12 : x - Step 2: Convert to fraction form
126,336,183.28/174,345,134.84 = 74,126,107.12/x - Step 3: Cross multiply
126,336,183.28x = 174,345,134.84 × 74,126,107.12 - Step 4: Simplify right side
126,336,183.28x = 12,923,526,141,000,686 - Step 5: Solve for x
x = 12,923,526,141,000,686/126,336,183.28 - Step 6: Final answer
x = 102,294,733.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.