Finding the Fourth Proportional to 192,372,168.56, 265,498,178.36 and 107,603,998.43
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Solution
The fourth proportional to 192,372,168.56, 265,498,178.36 and 107,603,998.43 is: 148,507,269.95
Step by Step Solution
- Step 1: Write the proportion equation
192,372,168.56 : 265,498,178.36 = 107,603,998.43 : x - Step 2: Convert to fraction form
192,372,168.56/265,498,178.36 = 107,603,998.43/x - Step 3: Cross multiply
192,372,168.56x = 265,498,178.36 × 107,603,998.43 - Step 4: Simplify right side
192,372,168.56x = 28,568,665,565,551,788 - Step 5: Solve for x
x = 28,568,665,565,551,788/192,372,168.56 - Step 6: Final answer
x = 148,507,269.95
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1.5x scale
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.