Finding the Fourth Proportional to 162,724,819.67, 244,170,685.43 and 79,724,991.23
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Solution
The fourth proportional to 162,724,819.67, 244,170,685.43 and 79,724,991.23 is: 119,628,375.03
Step by Step Solution
- Step 1: Write the proportion equation
162,724,819.67 : 244,170,685.43 = 79,724,991.23 : x - Step 2: Convert to fraction form
162,724,819.67/244,170,685.43 = 79,724,991.23/x - Step 3: Cross multiply
162,724,819.67x = 244,170,685.43 × 79,724,991.23 - Step 4: Simplify right side
162,724,819.67x = 19,466,505,754,529,840 - Step 5: Solve for x
x = 19,466,505,754,529,840/162,724,819.67 - Step 6: Final answer
x = 119,628,375.03
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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.