Finding the Fourth Proportional to 36,203,413.40, 54,305,120.10 and 29,028,959.90
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Solution
The fourth proportional to 36,203,413.40, 54,305,120.10 and 29,028,959.90 is: 43,543,439.85
Step by Step Solution
- Step 1: Write the proportion equation
36,203,413.40 : 54,305,120.10 = 29,028,959.90 : x - Step 2: Convert to fraction form
36,203,413.40/54,305,120.10 = 29,028,959.90/x - Step 3: Cross multiply
36,203,413.40x = 54,305,120.10 × 29,028,959.90 - Step 4: Simplify right side
36,203,413.40x = 1,576,421,153,747,584 - Step 5: Solve for x
x = 1,576,421,153,747,584/36,203,413.40 - Step 6: Final answer
x = 43,543,439.85
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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.