Finding the Fourth Proportional to 45,347,554, 68,010,120.76 and 19,436,917.09
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Solution
The fourth proportional to 45,347,554, 68,010,120.76 and 19,436,917.09 is: 29,150,570.69
Step by Step Solution
- Step 1: Write the proportion equation
45,347,554 : 68,010,120.76 = 19,436,917.09 : x - Step 2: Convert to fraction form
45,347,554/68,010,120.76 = 19,436,917.09/x - Step 3: Cross multiply
45,347,554x = 68,010,120.76 × 19,436,917.09 - Step 4: Simplify right side
45,347,554x = 1,321,907,078,493,008 - Step 5: Solve for x
x = 1,321,907,078,493,008/45,347,554 - Step 6: Final answer
x = 29,150,570.69
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1.5x scale
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.