Finding the Fourth Proportional to 50,422,745.62, 69,583,533.08 and 29,233,643.20
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Solution
The fourth proportional to 50,422,745.62, 69,583,533.08 and 29,233,643.20 is: 40,342,511.17
Step by Step Solution
- Step 1: Write the proportion equation
50,422,745.62 : 69,583,533.08 = 29,233,643.20 : x - Step 2: Convert to fraction form
50,422,745.62/69,583,533.08 = 29,233,643.20/x - Step 3: Cross multiply
50,422,745.62x = 69,583,533.08 × 29,233,643.20 - Step 4: Simplify right side
50,422,745.62x = 2,034,180,178,509,949 - Step 5: Solve for x
x = 2,034,180,178,509,949/50,422,745.62 - Step 6: Final answer
x = 40,342,511.17
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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.