Finding the Fourth Proportional to 53,424,459.36, 80,150,505.44 and 31,285,299.09
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Solution
The fourth proportional to 53,424,459.36, 80,150,505.44 and 31,285,299.09 is: 46,936,039.50
Step by Step Solution
- Step 1: Write the proportion equation
53,424,459.36 : 80,150,505.44 = 31,285,299.09 : x - Step 2: Convert to fraction form
53,424,459.36/80,150,505.44 = 31,285,299.09/x - Step 3: Cross multiply
53,424,459.36x = 80,150,505.44 × 31,285,299.09 - Step 4: Simplify right side
53,424,459.36x = 2,507,532,534,905,072 - Step 5: Solve for x
x = 2,507,532,534,905,072/53,424,459.36 - Step 6: Final answer
x = 46,936,039.50
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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.