Finding the Fourth Proportional to 189,040,643.80, 283,560,965.70 and 150,776,891.80
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Solution
The fourth proportional to 189,040,643.80, 283,560,965.70 and 150,776,891.80 is: 226,165,337.70
Step by Step Solution
- Step 1: Write the proportion equation
189,040,643.80 : 283,560,965.70 = 150,776,891.80 : x - Step 2: Convert to fraction form
189,040,643.80/283,560,965.70 = 150,776,891.80/x - Step 3: Cross multiply
189,040,643.80x = 283,560,965.70 × 150,776,891.80 - Step 4: Simplify right side
189,040,643.80x = 42,754,441,044,052,416 - Step 5: Solve for x
x = 42,754,441,044,052,416/189,040,643.80 - Step 6: Final answer
x = 226,165,337.70
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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.