Finding the Fourth Proportional to 159,651,572.10, 239,477,358.15 and 68,775,161.10
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Solution
The fourth proportional to 159,651,572.10, 239,477,358.15 and 68,775,161.10 is: 103,162,741.65
Step by Step Solution
- Step 1: Write the proportion equation
159,651,572.10 : 239,477,358.15 = 68,775,161.10 : x - Step 2: Convert to fraction form
159,651,572.10/239,477,358.15 = 68,775,161.10/x - Step 3: Cross multiply
159,651,572.10x = 239,477,358.15 × 68,775,161.10 - Step 4: Simplify right side
159,651,572.10x = 16,470,093,886,568,646 - Step 5: Solve for x
x = 16,470,093,886,568,646/159,651,572.10 - Step 6: Final answer
x = 103,162,741.65
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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.