Finding the Fourth Proportional to 197,529,719.68, 296,294,611.84 and 82,451,485.12
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Solution
The fourth proportional to 197,529,719.68, 296,294,611.84 and 82,451,485.12 is: 123,677,241.17
Step by Step Solution
- Step 1: Write the proportion equation
197,529,719.68 : 296,294,611.84 = 82,451,485.12 : x - Step 2: Convert to fraction form
197,529,719.68/296,294,611.84 = 82,451,485.12/x - Step 3: Cross multiply
197,529,719.68x = 296,294,611.84 × 82,451,485.12 - Step 4: Simplify right side
197,529,719.68x = 24,429,930,779,261,936 - Step 5: Solve for x
x = 24,429,930,779,261,936/197,529,719.68 - Step 6: Final answer
x = 123,677,241.17
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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.