Finding the Fourth Proportional to 81,579,585.28, 122,372,754.72 and 24,071,855.44
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Solution
The fourth proportional to 81,579,585.28, 122,372,754.72 and 24,071,855.44 is: 36,108,779.56
Step by Step Solution
- Step 1: Write the proportion equation
81,579,585.28 : 122,372,754.72 = 24,071,855.44 : x - Step 2: Convert to fraction form
81,579,585.28/122,372,754.72 = 24,071,855.44/x - Step 3: Cross multiply
81,579,585.28x = 122,372,754.72 × 24,071,855.44 - Step 4: Simplify right side
81,579,585.28x = 2,945,739,261,414,418 - Step 5: Solve for x
x = 2,945,739,261,414,418/81,579,585.28 - Step 6: Final answer
x = 36,108,779.56
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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.