Finding the Fourth Proportional to 43,764,188.20, 65,658,416.70 and 18,217,231.40
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Solution
The fourth proportional to 43,764,188.20, 65,658,416.70 and 18,217,231.40 is: 27,330,898.15
Step by Step Solution
- Step 1: Write the proportion equation
43,764,188.20 : 65,658,416.70 = 18,217,231.40 : x - Step 2: Convert to fraction form
43,764,188.20/65,658,416.70 = 18,217,231.40/x - Step 3: Cross multiply
43,764,188.20x = 65,658,416.70 × 18,217,231.40 - Step 4: Simplify right side
43,764,188.20x = 1,196,114,570,381,524.25 - Step 5: Solve for x
x = 1,196,114,570,381,524.25/43,764,188.20 - Step 6: Final answer
x = 27,330,898.15
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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.