Finding the Fourth Proportional to 87,236,137.06, 120,383,795.57 and 47,544,921.05
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Solution
The fourth proportional to 87,236,137.06, 120,383,795.57 and 47,544,921.05 is: 65,610,860.92
Step by Step Solution
- Step 1: Write the proportion equation
87,236,137.06 : 120,383,795.57 = 47,544,921.05 : x - Step 2: Convert to fraction form
87,236,137.06/120,383,795.57 = 47,544,921.05/x - Step 3: Cross multiply
87,236,137.06x = 120,383,795.57 × 47,544,921.05 - Step 4: Simplify right side
87,236,137.06x = 5,723,638,056,074,989 - Step 5: Solve for x
x = 5,723,638,056,074,989/87,236,137.06 - Step 6: Final answer
x = 65,610,860.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.