Finding the Fourth Proportional to 63,211,155.36, 87,230,735.13 and 37,100,628.62
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Solution
The fourth proportional to 63,211,155.36, 87,230,735.13 and 37,100,628.62 is: 51,198,480.56
Step by Step Solution
- Step 1: Write the proportion equation
63,211,155.36 : 87,230,735.13 = 37,100,628.62 : x - Step 2: Convert to fraction form
63,211,155.36/87,230,735.13 = 37,100,628.62/x - Step 3: Cross multiply
63,211,155.36x = 87,230,735.13 × 37,100,628.62 - Step 4: Simplify right side
63,211,155.36x = 3,236,315,108,307,717 - Step 5: Solve for x
x = 3,236,315,108,307,717/63,211,155.36 - Step 6: Final answer
x = 51,198,480.56
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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.