Finding the Fourth Proportional to 87,048,134.46, 120,126,245.94 and 47,889,817.38
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Solution
The fourth proportional to 87,048,134.46, 120,126,245.94 and 47,889,817.38 is: 66,087,849.17
Step by Step Solution
- Step 1: Write the proportion equation
87,048,134.46 : 120,126,245.94 = 47,889,817.38 : x - Step 2: Convert to fraction form
87,048,134.46/120,126,245.94 = 47,889,817.38/x - Step 3: Cross multiply
87,048,134.46x = 120,126,245.94 × 47,889,817.38 - Step 4: Simplify right side
87,048,134.46x = 5,752,823,980,611,567 - Step 5: Solve for x
x = 5,752,823,980,611,567/87,048,134.46 - Step 6: Final answer
x = 66,087,849.17
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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.