Finding the Fourth Proportional to 50,720,224.20, 69,993,873.99 and 27,515,355.54
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Solution
The fourth proportional to 50,720,224.20, 69,993,873.99 and 27,515,355.54 is: 37,971,171.44
Step by Step Solution
- Step 1: Write the proportion equation
50,720,224.20 : 69,993,873.99 = 27,515,355.54 : x - Step 2: Convert to fraction form
50,720,224.20/69,993,873.99 = 27,515,355.54/x - Step 3: Cross multiply
50,720,224.20x = 69,993,873.99 × 27,515,355.54 - Step 4: Simplify right side
50,720,224.20x = 1,925,906,328,456,808.25 - Step 5: Solve for x
x = 1,925,906,328,456,808.25/50,720,224.20 - Step 6: Final answer
x = 37,971,171.44
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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.