Finding the Fourth Proportional to 73,691,168.70, 110,337,687.45 and 57,765,920.70
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Solution
The fourth proportional to 73,691,168.70, 110,337,687.45 and 57,765,920.70 is: 86,492,835.11
Step by Step Solution
- Step 1: Write the proportion equation
73,691,168.70 : 110,337,687.45 = 57,765,920.70 : x - Step 2: Convert to fraction form
73,691,168.70/110,337,687.45 = 57,765,920.70/x - Step 3: Cross multiply
73,691,168.70x = 110,337,687.45 × 57,765,920.70 - Step 4: Simplify right side
73,691,168.70x = 6,373,758,103,458,086 - Step 5: Solve for x
x = 6,373,758,103,458,086/73,691,168.70 - Step 6: Final answer
x = 86,492,835.11
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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.