Finding the Fourth Proportional to 125,049,051.42, 172,568,704.16 and 69,295,403.11
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Solution
The fourth proportional to 125,049,051.42, 172,568,704.16 and 69,295,403.11 is: 95,628,217.75
Step by Step Solution
- Step 1: Write the proportion equation
125,049,051.42 : 172,568,704.16 = 69,295,403.11 : x - Step 2: Convert to fraction form
125,049,051.42/172,568,704.16 = 69,295,403.11/x - Step 3: Cross multiply
125,049,051.42x = 172,568,704.16 × 69,295,403.11 - Step 4: Simplify right side
125,049,051.42x = 11,958,217,918,937,534 - Step 5: Solve for x
x = 11,958,217,918,937,534/125,049,051.42 - Step 6: Final answer
x = 95,628,217.75
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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.