Finding the Fourth Proportional to 281,232,073.80, 421,848,110.70 and 73,970,083.80
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Solution
The fourth proportional to 281,232,073.80, 421,848,110.70 and 73,970,083.80 is: 110,955,125.70
Step by Step Solution
- Step 1: Write the proportion equation
281,232,073.80 : 421,848,110.70 = 73,970,083.80 : x - Step 2: Convert to fraction form
281,232,073.80/421,848,110.70 = 73,970,083.80/x - Step 3: Cross multiply
281,232,073.80x = 421,848,110.70 × 73,970,083.80 - Step 4: Simplify right side
281,232,073.80x = 31,204,140,099,350,676 - Step 5: Solve for x
x = 31,204,140,099,350,676/281,232,073.80 - Step 6: Final answer
x = 110,955,125.70
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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.