Finding the Fourth Proportional to 122,364,493.80, 183,546,740.70 and 92,131,405.80
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Solution
The fourth proportional to 122,364,493.80, 183,546,740.70 and 92,131,405.80 is: 138,197,108.70
Step by Step Solution
- Step 1: Write the proportion equation
122,364,493.80 : 183,546,740.70 = 92,131,405.80 : x - Step 2: Convert to fraction form
122,364,493.80/183,546,740.70 = 92,131,405.80/x - Step 3: Cross multiply
122,364,493.80x = 183,546,740.70 × 92,131,405.80 - Step 4: Simplify right side
122,364,493.80x = 16,910,419,250,699,074 - Step 5: Solve for x
x = 16,910,419,250,699,074/122,364,493.80 - Step 6: Final answer
x = 138,197,108.70
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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.