Finding the Fourth Proportional to 67,378,467.44, 92,982,563.54 and 36,438,636.08
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Solution
The fourth proportional to 67,378,467.44, 92,982,563.54 and 36,438,636.08 is: 50,285,468.38
Step by Step Solution
- Step 1: Write the proportion equation
67,378,467.44 : 92,982,563.54 = 36,438,636.08 : x - Step 2: Convert to fraction form
67,378,467.44/92,982,563.54 = 36,438,636.08/x - Step 3: Cross multiply
67,378,467.44x = 92,982,563.54 × 36,438,636.08 - Step 4: Simplify right side
67,378,467.44x = 3,388,157,793,972,430.50 - Step 5: Solve for x
x = 3,388,157,793,972,430.50/67,378,467.44 - Step 6: Final answer
x = 50,285,468.38
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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.