Finding the Fourth Proportional to 113,568,197.31, 156,540,512.52 and 88,745,252.81
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Solution
The fourth proportional to 113,568,197.31, 156,540,512.52 and 88,745,252.81 is: 122,324,979.06
Step by Step Solution
- Step 1: Write the proportion equation
113,568,197.31 : 156,540,512.52 = 88,745,252.81 : x - Step 2: Convert to fraction form
113,568,197.31/156,540,512.52 = 88,745,252.81/x - Step 3: Cross multiply
113,568,197.31x = 156,540,512.52 × 88,745,252.81 - Step 4: Simplify right side
113,568,197.31x = 13,892,227,357,811,670 - Step 5: Solve for x
x = 13,892,227,357,811,670/113,568,197.31 - Step 6: Final answer
x = 122,324,979.06
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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.