Finding the Fourth Proportional to 87,236,138.06, 120,383,796.95 and 47,544,922.05
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Solution
The fourth proportional to 87,236,138.06, 120,383,796.95 and 47,544,922.05 is: 65,610,862.30
Step by Step Solution
- Step 1: Write the proportion equation
87,236,138.06 : 120,383,796.95 = 47,544,922.05 : x - Step 2: Convert to fraction form
87,236,138.06/120,383,796.95 = 47,544,922.05/x - Step 3: Cross multiply
87,236,138.06x = 120,383,796.95 × 47,544,922.05 - Step 4: Simplify right side
87,236,138.06x = 5,723,638,242,070,778 - Step 5: Solve for x
x = 5,723,638,242,070,778/87,236,138.06 - Step 6: Final answer
x = 65,610,862.30
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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.