Finding the Fourth Proportional to 79,568,108.95, 119,372,022.72 and 27,753,457.70
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Solution
The fourth proportional to 79,568,108.95, 119,372,022.72 and 27,753,457.70 is: 41,637,113.50
Step by Step Solution
- Step 1: Write the proportion equation
79,568,108.95 : 119,372,022.72 = 27,753,457.70 : x - Step 2: Convert to fraction form
79,568,108.95/119,372,022.72 = 27,753,457.70/x - Step 3: Cross multiply
79,568,108.95x = 119,372,022.72 × 27,753,457.70 - Step 4: Simplify right side
79,568,108.95x = 3,312,986,383,122,959 - Step 5: Solve for x
x = 3,312,986,383,122,959/79,568,108.95 - Step 6: Final answer
x = 41,637,113.50
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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.