Finding the Fourth Proportional to 290,964,674.28, 436,504,507.62 and 106,733,860.98
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Solution
The fourth proportional to 290,964,674.28, 436,504,507.62 and 106,733,860.98 is: 160,121,882.66
Step by Step Solution
- Step 1: Write the proportion equation
290,964,674.28 : 436,504,507.62 = 106,733,860.98 : x - Step 2: Convert to fraction form
290,964,674.28/436,504,507.62 = 106,733,860.98/x - Step 3: Cross multiply
290,964,674.28x = 436,504,507.62 × 106,733,860.98 - Step 4: Simplify right side
290,964,674.28x = 46,589,811,433,456,432 - Step 5: Solve for x
x = 46,589,811,433,456,432/290,964,674.28 - Step 6: Final answer
x = 160,121,882.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.