Finding the Fourth Proportional to 189,142,163.28, 283,302,672.12 and 116,137,342.80
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Solution
The fourth proportional to 189,142,163.28, 283,302,672.12 and 116,137,342.80 is: 173,953,913.70
Step by Step Solution
- Step 1: Write the proportion equation
189,142,163.28 : 283,302,672.12 = 116,137,342.80 : x - Step 2: Convert to fraction form
189,142,163.28/283,302,672.12 = 116,137,342.80/x - Step 3: Cross multiply
189,142,163.28x = 283,302,672.12 × 116,137,342.80 - Step 4: Simplify right side
189,142,163.28x = 32,902,019,548,156,444 - Step 5: Solve for x
x = 32,902,019,548,156,444/189,142,163.28 - Step 6: Final answer
x = 173,953,913.70
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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.