Finding the Fourth Proportional to 67,378,466.44, 92,982,562.15 and 36,438,635.08
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Solution
The fourth proportional to 67,378,466.44, 92,982,562.15 and 36,438,635.08 is: 50,285,467.00
Step by Step Solution
- Step 1: Write the proportion equation
67,378,466.44 : 92,982,562.15 = 36,438,635.08 : x - Step 2: Convert to fraction form
67,378,466.44/92,982,562.15 = 36,438,635.08/x - Step 3: Cross multiply
67,378,466.44x = 92,982,562.15 × 36,438,635.08 - Step 4: Simplify right side
67,378,466.44x = 3,388,157,650,522,358 - Step 5: Solve for x
x = 3,388,157,650,522,358/67,378,466.44 - Step 6: Final answer
x = 50,285,467.00
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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.