Finding the Fourth Proportional to 173,815,414.80, 260,723,122.20 and 171,128,029.20
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Solution
The fourth proportional to 173,815,414.80, 260,723,122.20 and 171,128,029.20 is: 256,692,043.80
Step by Step Solution
- Step 1: Write the proportion equation
173,815,414.80 : 260,723,122.20 = 171,128,029.20 : x - Step 2: Convert to fraction form
173,815,414.80/260,723,122.20 = 171,128,029.20/x - Step 3: Cross multiply
173,815,414.80x = 260,723,122.20 × 171,128,029.20 - Step 4: Simplify right side
173,815,414.80x = 44,617,034,068,956,760 - Step 5: Solve for x
x = 44,617,034,068,956,760/173,815,414.80 - Step 6: Final answer
x = 256,692,043.80
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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.