Finding the Fourth Proportional to 57,983,670.30, 86,986,003.05 and 29,157,260.70
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Solution
The fourth proportional to 57,983,670.30, 86,986,003.05 and 29,157,260.70 is: 43,741,169.80
Step by Step Solution
- Step 1: Write the proportion equation
57,983,670.30 : 86,986,003.05 = 29,157,260.70 : x - Step 2: Convert to fraction form
57,983,670.30/86,986,003.05 = 29,157,260.70/x - Step 3: Cross multiply
57,983,670.30x = 86,986,003.05 × 29,157,260.70 - Step 4: Simplify right side
57,983,670.30x = 2,536,273,568,179,845 - Step 5: Solve for x
x = 2,536,273,568,179,845/57,983,670.30 - Step 6: Final answer
x = 43,741,169.80
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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.