Finding the Fourth Proportional to 203,764,431.80, 305,646,647.70 and 101,727,759.80
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Solution
The fourth proportional to 203,764,431.80, 305,646,647.70 and 101,727,759.80 is: 152,591,639.70
Step by Step Solution
- Step 1: Write the proportion equation
203,764,431.80 : 305,646,647.70 = 101,727,759.80 : x - Step 2: Convert to fraction form
203,764,431.80/305,646,647.70 = 101,727,759.80/x - Step 3: Cross multiply
203,764,431.80x = 305,646,647.70 × 101,727,759.80 - Step 4: Simplify right side
203,764,431.80x = 31,092,748,760,900,820 - Step 5: Solve for x
x = 31,092,748,760,900,820/203,764,431.80 - Step 6: Final answer
x = 152,591,639.70
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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.