Finding the Fourth Proportional to 190,245,865.44, 262,540,638 and 103,325,737.44
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Solution
The fourth proportional to 190,245,865.44, 262,540,638 and 103,325,737.44 is: 142,590,247.45
Step by Step Solution
- Step 1: Write the proportion equation
190,245,865.44 : 262,540,638 = 103,325,737.44 : x - Step 2: Convert to fraction form
190,245,865.44/262,540,638 = 103,325,737.44/x - Step 3: Cross multiply
190,245,865.44x = 262,540,638 × 103,325,737.44 - Step 4: Simplify right side
190,245,865.44x = 27,127,205,029,318,088 - Step 5: Solve for x
x = 27,127,205,029,318,088/190,245,865.44 - Step 6: Final answer
x = 142,590,247.45
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1.5x scale
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.