Finding the Fourth Proportional to 54,443,874.24, 75,134,247.84 and 31,243,245.12
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Solution
The fourth proportional to 54,443,874.24, 75,134,247.84 and 31,243,245.12 is: 43,116,654.63
Step by Step Solution
- Step 1: Write the proportion equation
54,443,874.24 : 75,134,247.84 = 31,243,245.12 : x - Step 2: Convert to fraction form
54,443,874.24/75,134,247.84 = 31,243,245.12/x - Step 3: Cross multiply
54,443,874.24x = 75,134,247.84 × 31,243,245.12 - Step 4: Simplify right side
54,443,874.24x = 2,347,437,722,171,950.50 - Step 5: Solve for x
x = 2,347,437,722,171,950.50/54,443,874.24 - Step 6: Final answer
x = 43,116,654.63
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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.