Finding the Fourth Proportional to 53,257,487.80, 79,886,231.70 and 30,582,671.80
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Solution
The fourth proportional to 53,257,487.80, 79,886,231.70 and 30,582,671.80 is: 45,874,007.70
Step by Step Solution
- Step 1: Write the proportion equation
53,257,487.80 : 79,886,231.70 = 30,582,671.80 : x - Step 2: Convert to fraction form
53,257,487.80/79,886,231.70 = 30,582,671.80/x - Step 3: Cross multiply
53,257,487.80x = 79,886,231.70 × 30,582,671.80 - Step 4: Simplify right side
53,257,487.80x = 2,443,134,405,419,856 - Step 5: Solve for x
x = 2,443,134,405,419,856/53,257,487.80 - Step 6: Final answer
x = 45,874,007.70
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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.