Finding the Fourth Proportional to 181,285,404.20, 271,928,106.30 and 156,626,541.80
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Solution
The fourth proportional to 181,285,404.20, 271,928,106.30 and 156,626,541.80 is: 234,939,812.70
Step by Step Solution
- Step 1: Write the proportion equation
181,285,404.20 : 271,928,106.30 = 156,626,541.80 : x - Step 2: Convert to fraction form
181,285,404.20/271,928,106.30 = 156,626,541.80/x - Step 3: Cross multiply
181,285,404.20x = 271,928,106.30 × 156,626,541.80 - Step 4: Simplify right side
181,285,404.20x = 42,591,158,907,991,800 - Step 5: Solve for x
x = 42,591,158,907,991,800/181,285,404.20 - Step 6: Final answer
x = 234,939,812.70
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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.