Finding the Fourth Proportional to 80,883,419.80, 121,325,129.70 and 26,295,899.80
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Solution
The fourth proportional to 80,883,419.80, 121,325,129.70 and 26,295,899.80 is: 39,443,849.70
Step by Step Solution
- Step 1: Write the proportion equation
80,883,419.80 : 121,325,129.70 = 26,295,899.80 : x - Step 2: Convert to fraction form
80,883,419.80/121,325,129.70 = 26,295,899.80/x - Step 3: Cross multiply
80,883,419.80x = 121,325,129.70 × 26,295,899.80 - Step 4: Simplify right side
80,883,419.80x = 3,190,353,453,813,204 - Step 5: Solve for x
x = 3,190,353,453,813,204/80,883,419.80 - Step 6: Final answer
x = 39,443,849.70
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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.