Finding the Fourth Proportional to 75,890,533.38, 104,728,913.87 and 41,083,197.99
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Solution
The fourth proportional to 75,890,533.38, 104,728,913.87 and 41,083,197.99 is: 56,694,801.21
Step by Step Solution
- Step 1: Write the proportion equation
75,890,533.38 : 104,728,913.87 = 41,083,197.99 : x - Step 2: Convert to fraction form
75,890,533.38/104,728,913.87 = 41,083,197.99/x - Step 3: Cross multiply
75,890,533.38x = 104,728,913.87 × 41,083,197.99 - Step 4: Simplify right side
75,890,533.38x = 4,302,598,703,593,451 - Step 5: Solve for x
x = 4,302,598,703,593,451/75,890,533.38 - Step 6: Final answer
x = 56,694,801.21
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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.