Finding the Fourth Proportional to 104,107,423.74, 143,668,241.91 and 57,704,649.18
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Solution
The fourth proportional to 104,107,423.74, 143,668,241.91 and 57,704,649.18 is: 79,632,414.29
Step by Step Solution
- Step 1: Write the proportion equation
104,107,423.74 : 143,668,241.91 = 57,704,649.18 : x - Step 2: Convert to fraction form
104,107,423.74/143,668,241.91 = 57,704,649.18/x - Step 3: Cross multiply
104,107,423.74x = 143,668,241.91 × 57,704,649.18 - Step 4: Simplify right side
104,107,423.74x = 8,290,325,497,723,923 - Step 5: Solve for x
x = 8,290,325,497,723,923/104,107,423.74 - Step 6: Final answer
x = 79,632,414.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.