Finding the Fourth Proportional to 122,485,845.70, 183,728,768.55 and 41,706,813.70
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Solution
The fourth proportional to 122,485,845.70, 183,728,768.55 and 41,706,813.70 is: 62,560,220.55
Step by Step Solution
- Step 1: Write the proportion equation
122,485,845.70 : 183,728,768.55 = 41,706,813.70 : x - Step 2: Convert to fraction form
122,485,845.70/183,728,768.55 = 41,706,813.70/x - Step 3: Cross multiply
122,485,845.70x = 183,728,768.55 × 41,706,813.70 - Step 4: Simplify right side
122,485,845.70x = 7,662,741,521,245,270 - Step 5: Solve for x
x = 7,662,741,521,245,270/122,485,845.70 - Step 6: Final answer
x = 62,560,220.55
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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.