Finding the Fourth Proportional to 153,557,589.00, 211,910,882.84 and 87,477,107.90
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Solution
The fourth proportional to 153,557,589.00, 211,910,882.84 and 87,477,107.90 is: 120,719,212.14
Step by Step Solution
- Step 1: Write the proportion equation
153,557,589.00 : 211,910,882.84 = 87,477,107.90 : x - Step 2: Convert to fraction form
153,557,589.00/211,910,882.84 = 87,477,107.90/x - Step 3: Cross multiply
153,557,589.00x = 211,910,882.84 × 87,477,107.90 - Step 4: Simplify right side
153,557,589.00x = 18,537,351,162,210,036 - Step 5: Solve for x
x = 18,537,351,162,210,036/153,557,589.00 - Step 6: Final answer
x = 120,719,212.14
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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.