Finding the Fourth Proportional to 189,526,289.70, 284,101,104.99 and 131,897,491.95
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Solution
The fourth proportional to 189,526,289.70, 284,101,104.99 and 131,897,491.95 is: 197,715,173.28
Step by Step Solution
- Step 1: Write the proportion equation
189,526,289.70 : 284,101,104.99 = 131,897,491.95 : x - Step 2: Convert to fraction form
189,526,289.70/284,101,104.99 = 131,897,491.95/x - Step 3: Cross multiply
189,526,289.70x = 284,101,104.99 × 131,897,491.95 - Step 4: Simplify right side
189,526,289.70x = 37,472,223,208,404,632 - Step 5: Solve for x
x = 37,472,223,208,404,632/189,526,289.70 - Step 6: Final answer
x = 197,715,173.28
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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.