Finding the Fourth Proportional to 126,245,529.26, 189,386,366.78 and 38,814,387.57
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Solution
The fourth proportional to 126,245,529.26, 189,386,366.78 and 38,814,387.57 is: 58,227,137.89
Step by Step Solution
- Step 1: Write the proportion equation
126,245,529.26 : 189,386,366.78 = 38,814,387.57 : x - Step 2: Convert to fraction form
126,245,529.26/189,386,366.78 = 38,814,387.57/x - Step 3: Cross multiply
126,245,529.26x = 189,386,366.78 × 38,814,387.57 - Step 4: Simplify right side
126,245,529.26x = 7,350,915,840,770,129 - Step 5: Solve for x
x = 7,350,915,840,770,129/126,245,529.26 - Step 6: Final answer
x = 58,227,137.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.