Finding the Fourth Proportional to 122,485,845.20, 183,728,767.80 and 41,706,813.20
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Solution
The fourth proportional to 122,485,845.20, 183,728,767.80 and 41,706,813.20 is: 62,560,219.80
Step by Step Solution
- Step 1: Write the proportion equation
122,485,845.20 : 183,728,767.80 = 41,706,813.20 : x - Step 2: Convert to fraction form
122,485,845.20/183,728,767.80 = 41,706,813.20/x - Step 3: Cross multiply
122,485,845.20x = 183,728,767.80 × 41,706,813.20 - Step 4: Simplify right side
122,485,845.20x = 7,662,741,398,100,776 - Step 5: Solve for x
x = 7,662,741,398,100,776/122,485,845.20 - Step 6: Final answer
x = 62,560,219.80
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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.