Finding the Fourth Proportional to 80,483,311.80, 120,724,967.70 and 29,348,335.80
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Solution
The fourth proportional to 80,483,311.80, 120,724,967.70 and 29,348,335.80 is: 44,022,503.70
Step by Step Solution
- Step 1: Write the proportion equation
80,483,311.80 : 120,724,967.70 = 29,348,335.80 : x - Step 2: Convert to fraction form
80,483,311.80/120,724,967.70 = 29,348,335.80/x - Step 3: Cross multiply
80,483,311.80x = 120,724,967.70 × 29,348,335.80 - Step 4: Simplify right side
80,483,311.80x = 3,543,076,891,503,754 - Step 5: Solve for x
x = 3,543,076,891,503,754/80,483,311.80 - Step 6: Final answer
x = 44,022,503.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.