Finding the Fourth Proportional to 187,353,043.20, 281,029,564.80 and 164,678,227.20
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Solution
The fourth proportional to 187,353,043.20, 281,029,564.80 and 164,678,227.20 is: 247,017,340.80
Step by Step Solution
- Step 1: Write the proportion equation
187,353,043.20 : 281,029,564.80 = 164,678,227.20 : x - Step 2: Convert to fraction form
187,353,043.20/281,029,564.80 = 164,678,227.20/x - Step 3: Cross multiply
187,353,043.20x = 281,029,564.80 × 164,678,227.20 - Step 4: Simplify right side
187,353,043.20x = 46,279,450,522,051,520 - Step 5: Solve for x
x = 46,279,450,522,051,520/187,353,043.20 - Step 6: Final answer
x = 247,017,340.80
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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.