Finding the Fourth Proportional to 122,590,105.12, 183,798,934.64 and 56,941,546
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Solution
The fourth proportional to 122,590,105.12, 183,798,934.64 and 56,941,546 is: 85,372,269.49
Step by Step Solution
- Step 1: Write the proportion equation
122,590,105.12 : 183,798,934.64 = 56,941,546 : x - Step 2: Convert to fraction form
122,590,105.12/183,798,934.64 = 56,941,546/x - Step 3: Cross multiply
122,590,105.12x = 183,798,934.64 × 56,941,546 - Step 4: Simplify right side
122,590,105.12x = 10,465,795,491,554,552 - Step 5: Solve for x
x = 10,465,795,491,554,552/122,590,105.12 - Step 6: Final answer
x = 85,372,269.49
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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.