Finding the Fourth Proportional to 203,686,188.41, 281,092,961.97 and 144,253,812.78
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Solution
The fourth proportional to 203,686,188.41, 281,092,961.97 and 144,253,812.78 is: 199,074,526.49
Step by Step Solution
- Step 1: Write the proportion equation
203,686,188.41 : 281,092,961.97 = 144,253,812.78 : x - Step 2: Convert to fraction form
203,686,188.41/281,092,961.97 = 144,253,812.78/x - Step 3: Cross multiply
203,686,188.41x = 281,092,961.97 × 144,253,812.78 - Step 4: Simplify right side
203,686,188.41x = 40,548,731,509,796,048 - Step 5: Solve for x
x = 40,548,731,509,796,048/203,686,188.41 - Step 6: Final answer
x = 199,074,526.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.