Finding the Fourth Proportional to 53,869,099.74, 74,339,584.67 and 30,347,918.69
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Solution
The fourth proportional to 53,869,099.74, 74,339,584.67 and 30,347,918.69 is: 41,880,255.68
Step by Step Solution
- Step 1: Write the proportion equation
53,869,099.74 : 74,339,584.67 = 30,347,918.69 : x - Step 2: Convert to fraction form
53,869,099.74/74,339,584.67 = 30,347,918.69/x - Step 3: Cross multiply
53,869,099.74x = 74,339,584.67 × 30,347,918.69 - Step 4: Simplify right side
53,869,099.74x = 2,256,051,670,490,093 - Step 5: Solve for x
x = 2,256,051,670,490,093/53,869,099.74 - Step 6: Final answer
x = 41,880,255.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.