Finding the Fourth Proportional to 120,880,693.04, 166,813,760.68 and 67,234,992.44
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Solution
The fourth proportional to 120,880,693.04, 166,813,760.68 and 67,234,992.44 is: 92,783,402.02
Step by Step Solution
- Step 1: Write the proportion equation
120,880,693.04 : 166,813,760.68 = 67,234,992.44 : x - Step 2: Convert to fraction form
120,880,693.04/166,813,760.68 = 67,234,992.44/x - Step 3: Cross multiply
120,880,693.04x = 166,813,760.68 × 67,234,992.44 - Step 4: Simplify right side
120,880,693.04x = 11,215,721,938,207,770 - Step 5: Solve for x
x = 11,215,721,938,207,770/120,880,693.04 - Step 6: Final answer
x = 92,783,402.02
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1.5x scale
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.