Finding the Fourth Proportional to 186,869,107.20, 280,303,660.80 and 50,554,490.70
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Solution
The fourth proportional to 186,869,107.20, 280,303,660.80 and 50,554,490.70 is: 75,831,736.05
Step by Step Solution
- Step 1: Write the proportion equation
186,869,107.20 : 280,303,660.80 = 50,554,490.70 : x - Step 2: Convert to fraction form
186,869,107.20/280,303,660.80 = 50,554,490.70/x - Step 3: Cross multiply
186,869,107.20x = 280,303,660.80 × 50,554,490.70 - Step 4: Simplify right side
186,869,107.20x = 14,170,608,813,089,556 - Step 5: Solve for x
x = 14,170,608,813,089,556/186,869,107.20 - Step 6: Final answer
x = 75,831,736.05
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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.