Finding the Fourth Proportional to 55,743,087.12, 76,925,460.24 and 31,297,326
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Solution
The fourth proportional to 55,743,087.12, 76,925,460.24 and 31,297,326 is: 43,190,309.89
Step by Step Solution
- Step 1: Write the proportion equation
55,743,087.12 : 76,925,460.24 = 31,297,326 : x - Step 2: Convert to fraction form
55,743,087.12/76,925,460.24 = 31,297,326/x - Step 3: Cross multiply
55,743,087.12x = 76,925,460.24 × 31,297,326 - Step 4: Simplify right side
55,743,087.12x = 2,407,561,206,831,318 - Step 5: Solve for x
x = 2,407,561,206,831,318/55,743,087.12 - Step 6: Final answer
x = 43,190,309.89
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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.