Finding the Fourth Proportional to 60,440,136.80, 90,660,205.20 and 51,086,775.20
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Solution
The fourth proportional to 60,440,136.80, 90,660,205.20 and 51,086,775.20 is: 76,630,162.80
Step by Step Solution
- Step 1: Write the proportion equation
60,440,136.80 : 90,660,205.20 = 51,086,775.20 : x - Step 2: Convert to fraction form
60,440,136.80/90,660,205.20 = 51,086,775.20/x - Step 3: Cross multiply
60,440,136.80x = 90,660,205.20 × 51,086,775.20 - Step 4: Simplify right side
60,440,136.80x = 4,631,537,522,638,271 - Step 5: Solve for x
x = 4,631,537,522,638,271/60,440,136.80 - Step 6: Final answer
x = 76,630,162.80
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1.5x scale
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.