Finding the Fourth Proportional to 48,173,285.31, 66,479,178.36 and 26,146,778.32
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Solution
The fourth proportional to 48,173,285.31, 66,479,178.36 and 26,146,778.32 is: 36,082,578.31
Step by Step Solution
- Step 1: Write the proportion equation
48,173,285.31 : 66,479,178.36 = 26,146,778.32 : x - Step 2: Convert to fraction form
48,173,285.31/66,479,178.36 = 26,146,778.32/x - Step 3: Cross multiply
48,173,285.31x = 66,479,178.36 × 26,146,778.32 - Step 4: Simplify right side
48,173,285.31x = 1,738,216,339,474,661.25 - Step 5: Solve for x
x = 1,738,216,339,474,661.25/48,173,285.31 - Step 6: Final answer
x = 36,082,578.31
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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.