Finding the Fourth Proportional to 122,485,652.33, 183,728,478.49 and 111,148,244.33
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Solution
The fourth proportional to 122,485,652.33, 183,728,478.49 and 111,148,244.33 is: 166,722,366.49
Step by Step Solution
- Step 1: Write the proportion equation
122,485,652.33 : 183,728,478.49 = 111,148,244.33 : x - Step 2: Convert to fraction form
122,485,652.33/183,728,478.49 = 111,148,244.33/x - Step 3: Cross multiply
122,485,652.33x = 183,728,478.49 × 111,148,244.33 - Step 4: Simplify right side
122,485,652.33x = 20,421,097,816,389,160 - Step 5: Solve for x
x = 20,421,097,816,389,160/122,485,652.33 - Step 6: Final answer
x = 166,722,366.49
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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.