Finding the Fourth Proportional to 76,444,341.30, 107,324,408.70 and 76,444,341.30
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Solution
The fourth proportional to 76,444,341.30, 107,324,408.70 and 76,444,341.30 is: 107,324,408.70
Step by Step Solution
- Step 1: Write the proportion equation
76,444,341.30 : 107,324,408.70 = 76,444,341.30 : x - Step 2: Convert to fraction form
76,444,341.30/107,324,408.70 = 76,444,341.30/x - Step 3: Cross multiply
76,444,341.30x = 107,324,408.70 × 76,444,341.30 - Step 4: Simplify right side
76,444,341.30x = 8,204,343,728,483,489 - Step 5: Solve for x
x = 8,204,343,728,483,489/76,444,341.30 - Step 6: Final answer
x = 107,324,408.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.