Finding the Fourth Proportional to 75,853,789.11, 113,780,738.97 and 18,346,115.66
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Solution
The fourth proportional to 75,853,789.11, 113,780,738.97 and 18,346,115.66 is: 27,519,186.86
Step by Step Solution
- Step 1: Write the proportion equation
75,853,789.11 : 113,780,738.97 = 18,346,115.66 : x - Step 2: Convert to fraction form
75,853,789.11/113,780,738.97 = 18,346,115.66/x - Step 3: Cross multiply
75,853,789.11x = 113,780,738.97 × 18,346,115.66 - Step 4: Simplify right side
75,853,789.11x = 2,087,434,596,454,985.75 - Step 5: Solve for x
x = 2,087,434,596,454,985.75/75,853,789.11 - Step 6: Final answer
x = 27,519,186.86
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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.