Finding the Fourth Proportional to 104,979,489.70, 157,469,234.55 and 59,629,857.70
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Solution
The fourth proportional to 104,979,489.70, 157,469,234.55 and 59,629,857.70 is: 89,444,786.55
Step by Step Solution
- Step 1: Write the proportion equation
104,979,489.70 : 157,469,234.55 = 59,629,857.70 : x - Step 2: Convert to fraction form
104,979,489.70/157,469,234.55 = 59,629,857.70/x - Step 3: Cross multiply
104,979,489.70x = 157,469,234.55 × 59,629,857.70 - Step 4: Simplify right side
104,979,489.70x = 9,389,868,048,344,424 - Step 5: Solve for x
x = 9,389,868,048,344,424/104,979,489.70 - Step 6: Final answer
x = 89,444,786.55
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Double scale
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Similar ratio
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1.5x scale
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.