Finding the Fourth Proportional to 203,764,446.80, 305,646,670.20 and 101,727,774.80
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Solution
The fourth proportional to 203,764,446.80, 305,646,670.20 and 101,727,774.80 is: 152,591,662.20
Step by Step Solution
- Step 1: Write the proportion equation
203,764,446.80 : 305,646,670.20 = 101,727,774.80 : x - Step 2: Convert to fraction form
203,764,446.80/305,646,670.20 = 101,727,774.80/x - Step 3: Cross multiply
203,764,446.80x = 305,646,670.20 × 101,727,774.80 - Step 4: Simplify right side
203,764,446.80x = 31,092,755,634,475,468 - Step 5: Solve for x
x = 31,092,755,634,475,468/203,764,446.80 - Step 6: Final answer
x = 152,591,662.20
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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.