Finding the Fourth Proportional to 186,624,000.20, 279,936,000.30 and 104,994,662.60
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Solution
The fourth proportional to 186,624,000.20, 279,936,000.30 and 104,994,662.60 is: 157,491,993.90
Step by Step Solution
- Step 1: Write the proportion equation
186,624,000.20 : 279,936,000.30 = 104,994,662.60 : x - Step 2: Convert to fraction form
186,624,000.20/279,936,000.30 = 104,994,662.60/x - Step 3: Cross multiply
186,624,000.20x = 279,936,000.30 × 104,994,662.60 - Step 4: Simplify right side
186,624,000.20x = 29,391,785,901,092,000 - Step 5: Solve for x
x = 29,391,785,901,092,000/186,624,000.20 - Step 6: Final answer
x = 157,491,993.90
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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.