Finding the Fourth Proportional to 73,354,898.80, 109,962,364.20 and 27,284,431.60
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Solution
The fourth proportional to 73,354,898.80, 109,962,364.20 and 27,284,431.60 is: 40,900,616.78
Step by Step Solution
- Step 1: Write the proportion equation
73,354,898.80 : 109,962,364.20 = 27,284,431.60 : x - Step 2: Convert to fraction form
73,354,898.80/109,962,364.20 = 27,284,431.60/x - Step 3: Cross multiply
73,354,898.80x = 109,962,364.20 × 27,284,431.60 - Step 4: Simplify right side
73,354,898.80x = 3,000,260,604,589,189 - Step 5: Solve for x
x = 3,000,260,604,589,189/73,354,898.80 - Step 6: Final answer
x = 40,900,616.78
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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.