Finding the Fourth Proportional to 189,572,497.20, 284,358,745.80 and 60,190,233.30
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Solution
The fourth proportional to 189,572,497.20, 284,358,745.80 and 60,190,233.30 is: 90,285,349.95
Step by Step Solution
- Step 1: Write the proportion equation
189,572,497.20 : 284,358,745.80 = 60,190,233.30 : x - Step 2: Convert to fraction form
189,572,497.20/284,358,745.80 = 60,190,233.30/x - Step 3: Cross multiply
189,572,497.20x = 284,358,745.80 × 60,190,233.30 - Step 4: Simplify right side
189,572,497.20x = 17,115,619,250,597,396 - Step 5: Solve for x
x = 17,115,619,250,597,396/189,572,497.20 - Step 6: Final answer
x = 90,285,349.95
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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.