Finding the Fourth Proportional to 104,107,431.24, 143,668,252.26 and 57,704,656.68
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Solution
The fourth proportional to 104,107,431.24, 143,668,252.26 and 57,704,656.68 is: 79,632,424.64
Step by Step Solution
- Step 1: Write the proportion equation
104,107,431.24 : 143,668,252.26 = 57,704,656.68 : x - Step 2: Convert to fraction form
104,107,431.24/143,668,252.26 = 57,704,656.68/x - Step 3: Cross multiply
104,107,431.24x = 143,668,252.26 × 57,704,656.68 - Step 4: Simplify right side
104,107,431.24x = 8,290,327,172,478,934 - Step 5: Solve for x
x = 8,290,327,172,478,934/104,107,431.24 - Step 6: Final answer
x = 79,632,424.64
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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.