Finding the Fourth Proportional to 126,923,163.68, 190,384,809.36 and 83,782,284.32
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Solution
The fourth proportional to 126,923,163.68, 190,384,809.36 and 83,782,284.32 is: 125,673,468.62
Step by Step Solution
- Step 1: Write the proportion equation
126,923,163.68 : 190,384,809.36 = 83,782,284.32 : x - Step 2: Convert to fraction form
126,923,163.68/190,384,809.36 = 83,782,284.32/x - Step 3: Cross multiply
126,923,163.68x = 190,384,809.36 × 83,782,284.32 - Step 4: Simplify right side
126,923,163.68x = 15,950,874,228,008,518 - Step 5: Solve for x
x = 15,950,874,228,008,518/126,923,163.68 - Step 6: Final answer
x = 125,673,468.62
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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.