Finding the Fourth Proportional to 105,886,847.44, 158,342,664.12 and 100,721,237.68
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Solution
The fourth proportional to 105,886,847.44, 158,342,664.12 and 100,721,237.68 is: 150,618,037.02
Step by Step Solution
- Step 1: Write the proportion equation
105,886,847.44 : 158,342,664.12 = 100,721,237.68 : x - Step 2: Convert to fraction form
105,886,847.44/158,342,664.12 = 100,721,237.68/x - Step 3: Cross multiply
105,886,847.44x = 158,342,664.12 × 100,721,237.68 - Step 4: Simplify right side
105,886,847.44x = 15,948,469,107,714,930 - Step 5: Solve for x
x = 15,948,469,107,714,930/105,886,847.44 - Step 6: Final answer
x = 150,618,037.02
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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.