Finding the Fourth Proportional to 76,768,364.68, 115,172,714.84 and 27,589,183.36
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Solution
The fourth proportional to 76,768,364.68, 115,172,714.84 and 27,589,183.36 is: 41,391,023.00
Step by Step Solution
- Step 1: Write the proportion equation
76,768,364.68 : 115,172,714.84 = 27,589,183.36 : x - Step 2: Convert to fraction form
76,768,364.68/115,172,714.84 = 27,589,183.36/x - Step 3: Cross multiply
76,768,364.68x = 115,172,714.84 × 27,589,183.36 - Step 4: Simplify right side
76,768,364.68x = 3,177,521,147,789,753 - Step 5: Solve for x
x = 3,177,521,147,789,753/76,768,364.68 - Step 6: Final answer
x = 41,391,023.00
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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.