Finding the Fourth Proportional to 87,236,136.06, 120,383,794.19 and 47,544,920.05
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Solution
The fourth proportional to 87,236,136.06, 120,383,794.19 and 47,544,920.05 is: 65,610,859.54
Step by Step Solution
- Step 1: Write the proportion equation
87,236,136.06 : 120,383,794.19 = 47,544,920.05 : x - Step 2: Convert to fraction form
87,236,136.06/120,383,794.19 = 47,544,920.05/x - Step 3: Cross multiply
87,236,136.06x = 120,383,794.19 × 47,544,920.05 - Step 4: Simplify right side
87,236,136.06x = 5,723,637,869,851,346 - Step 5: Solve for x
x = 5,723,637,869,851,346/87,236,136.06 - Step 6: Final answer
x = 65,610,859.54
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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.