Finding the Fourth Proportional to 151,163,261.80, 226,744,892.70 and 120,930,173.80
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Solution
The fourth proportional to 151,163,261.80, 226,744,892.70 and 120,930,173.80 is: 181,395,260.70
Step by Step Solution
- Step 1: Write the proportion equation
151,163,261.80 : 226,744,892.70 = 120,930,173.80 : x - Step 2: Convert to fraction form
151,163,261.80/226,744,892.70 = 120,930,173.80/x - Step 3: Cross multiply
151,163,261.80x = 226,744,892.70 × 120,930,173.80 - Step 4: Simplify right side
151,163,261.80x = 27,420,299,282,473,348 - Step 5: Solve for x
x = 27,420,299,282,473,348/151,163,261.80 - Step 6: Final answer
x = 181,395,260.70
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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.