Finding the Fourth Proportional to 154,716,689.08, 213,524,691.30 and 88,645,951.24
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Solution
The fourth proportional to 154,716,689.08, 213,524,691.30 and 88,645,951.24 is: 122,340,385.42
Step by Step Solution
- Step 1: Write the proportion equation
154,716,689.08 : 213,524,691.30 = 88,645,951.24 : x - Step 2: Convert to fraction form
154,716,689.08/213,524,691.30 = 88,645,951.24/x - Step 3: Cross multiply
154,716,689.08x = 213,524,691.30 × 88,645,951.24 - Step 4: Simplify right side
154,716,689.08x = 18,928,099,373,515,852 - Step 5: Solve for x
x = 18,928,099,373,515,852/154,716,689.08 - Step 6: Final answer
x = 122,340,385.42
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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.