Finding the Fourth Proportional to 246,478,186.26, 340,150,525.74 and 136,469,899.26
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Solution
The fourth proportional to 246,478,186.26, 340,150,525.74 and 136,469,899.26 is: 188,334,345.87
Step by Step Solution
- Step 1: Write the proportion equation
246,478,186.26 : 340,150,525.74 = 136,469,899.26 : x - Step 2: Convert to fraction form
246,478,186.26/340,150,525.74 = 136,469,899.26/x - Step 3: Cross multiply
246,478,186.26x = 340,150,525.74 × 136,469,899.26 - Step 4: Simplify right side
246,478,186.26x = 46,420,307,980,973,832 - Step 5: Solve for x
x = 46,420,307,980,973,832/246,478,186.26 - Step 6: Final answer
x = 188,334,345.87
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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.