Finding the Fourth Proportional to 78,782,323.36, 108,737,745.84 and 46,197,772.96
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Solution
The fourth proportional to 78,782,323.36, 108,737,745.84 and 46,197,772.96 is: 63,763,563.71
Step by Step Solution
- Step 1: Write the proportion equation
78,782,323.36 : 108,737,745.84 = 46,197,772.96 : x - Step 2: Convert to fraction form
78,782,323.36/108,737,745.84 = 46,197,772.96/x - Step 3: Cross multiply
78,782,323.36x = 108,737,745.84 × 46,197,772.96 - Step 4: Simplify right side
78,782,323.36x = 5,023,441,694,498,505 - Step 5: Solve for x
x = 5,023,441,694,498,505/78,782,323.36 - Step 6: Final answer
x = 63,763,563.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.