Finding the Fourth Proportional to 50,028,063.42, 69,081,814.17 and 31,474,129.44
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Solution
The fourth proportional to 50,028,063.42, 69,081,814.17 and 31,474,129.44 is: 43,461,405.71
Step by Step Solution
- Step 1: Write the proportion equation
50,028,063.42 : 69,081,814.17 = 31,474,129.44 : x - Step 2: Convert to fraction form
50,028,063.42/69,081,814.17 = 31,474,129.44/x - Step 3: Cross multiply
50,028,063.42x = 69,081,814.17 × 31,474,129.44 - Step 4: Simplify right side
50,028,063.42x = 2,174,289,961,136,606.25 - Step 5: Solve for x
x = 2,174,289,961,136,606.25/50,028,063.42 - Step 6: Final answer
x = 43,461,405.71
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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.