Finding the Fourth Proportional to 290,964,660.75, 436,504,487.36 and 106,733,847.47
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Solution
The fourth proportional to 290,964,660.75, 436,504,487.36 and 106,733,847.47 is: 160,121,862.40
Step by Step Solution
- Step 1: Write the proportion equation
290,964,660.75 : 436,504,487.36 = 106,733,847.47 : x - Step 2: Convert to fraction form
290,964,660.75/436,504,487.36 = 106,733,847.47/x - Step 3: Cross multiply
290,964,660.75x = 436,504,487.36 × 106,733,847.47 - Step 4: Simplify right side
290,964,660.75x = 46,589,803,371,136,592 - Step 5: Solve for x
x = 46,589,803,371,136,592/290,964,660.75 - Step 6: Final answer
x = 160,121,862.40
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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.