Finding the Fourth Proportional to 121,765,081.68, 182,678,076.50 and 35,503,488.42
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Solution
The fourth proportional to 121,765,081.68, 182,678,076.50 and 35,503,488.42 is: 53,264,112.21
Step by Step Solution
- Step 1: Write the proportion equation
121,765,081.68 : 182,678,076.50 = 35,503,488.42 : x - Step 2: Convert to fraction form
121,765,081.68/182,678,076.50 = 35,503,488.42/x - Step 3: Cross multiply
121,765,081.68x = 182,678,076.50 × 35,503,488.42 - Step 4: Simplify right side
121,765,081.68x = 6,485,708,973,770,811 - Step 5: Solve for x
x = 6,485,708,973,770,811/121,765,081.68 - Step 6: Final answer
x = 53,264,112.21
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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.