Finding the Fourth Proportional to 125,976,357.18, 188,964,538.11 and 30,238,245.18
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Solution
The fourth proportional to 125,976,357.18, 188,964,538.11 and 30,238,245.18 is: 45,357,368.33
Step by Step Solution
- Step 1: Write the proportion equation
125,976,357.18 : 188,964,538.11 = 30,238,245.18 : x - Step 2: Convert to fraction form
125,976,357.18/188,964,538.11 = 30,238,245.18/x - Step 3: Cross multiply
125,976,357.18x = 188,964,538.11 × 30,238,245.18 - Step 4: Simplify right side
125,976,357.18x = 5,713,956,033,695,634 - Step 5: Solve for x
x = 5,713,956,033,695,634/125,976,357.18 - Step 6: Final answer
x = 45,357,368.33
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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.