Finding the Fourth Proportional to 75,449,408.67, 113,058,600.91 and 50,765,908.07
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Solution
The fourth proportional to 75,449,408.67, 113,058,600.91 and 50,765,908.07 is: 76,071,140.13
Step by Step Solution
- Step 1: Write the proportion equation
75,449,408.67 : 113,058,600.91 = 50,765,908.07 : x - Step 2: Convert to fraction form
75,449,408.67/113,058,600.91 = 50,765,908.07/x - Step 3: Cross multiply
75,449,408.67x = 113,058,600.91 × 50,765,908.07 - Step 4: Simplify right side
75,449,408.67x = 5,739,522,539,500,756 - Step 5: Solve for x
x = 5,739,522,539,500,756/75,449,408.67 - Step 6: Final answer
x = 76,071,140.13
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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.