Finding the Fourth Proportional to 122,485,105.70, 183,727,658.55 and 41,706,073.70
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Solution
The fourth proportional to 122,485,105.70, 183,727,658.55 and 41,706,073.70 is: 62,559,110.55
Step by Step Solution
- Step 1: Write the proportion equation
122,485,105.70 : 183,727,658.55 = 41,706,073.70 : x - Step 2: Convert to fraction form
122,485,105.70/183,727,658.55 = 41,706,073.70/x - Step 3: Cross multiply
122,485,105.70x = 183,727,658.55 × 41,706,073.70 - Step 4: Simplify right side
122,485,105.70x = 7,662,559,268,214,736 - Step 5: Solve for x
x = 7,662,559,268,214,736/122,485,105.70 - Step 6: Final answer
x = 62,559,110.55
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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.