Finding the Fourth Proportional to 102,135,327.14, 140,990,241.84 and 68,664,218.22
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Solution
The fourth proportional to 102,135,327.14, 140,990,241.84 and 68,664,218.22 is: 94,785,859.15
Step by Step Solution
- Step 1: Write the proportion equation
102,135,327.14 : 140,990,241.84 = 68,664,218.22 : x - Step 2: Convert to fraction form
102,135,327.14/140,990,241.84 = 68,664,218.22/x - Step 3: Cross multiply
102,135,327.14x = 140,990,241.84 × 68,664,218.22 - Step 4: Simplify right side
102,135,327.14x = 9,680,984,731,887,384 - Step 5: Solve for x
x = 9,680,984,731,887,384/102,135,327.14 - Step 6: Final answer
x = 94,785,859.15
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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.