Finding the Fourth Proportional to 160,056,201.94, 220,809,923.36 and 107,149,953.98
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Solution
The fourth proportional to 160,056,201.94, 220,809,923.36 and 107,149,953.98 is: 147,821,657.89
Step by Step Solution
- Step 1: Write the proportion equation
160,056,201.94 : 220,809,923.36 = 107,149,953.98 : x - Step 2: Convert to fraction form
160,056,201.94/220,809,923.36 = 107,149,953.98/x - Step 3: Cross multiply
160,056,201.94x = 220,809,923.36 × 107,149,953.98 - Step 4: Simplify right side
160,056,201.94x = 23,659,773,126,351,328 - Step 5: Solve for x
x = 23,659,773,126,351,328/160,056,201.94 - Step 6: Final answer
x = 147,821,657.89
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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.