Finding the Fourth Proportional to 290,965,207.56, 436,505,306.77 and 106,734,394.68
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Solution
The fourth proportional to 290,965,207.56, 436,505,306.77 and 106,734,394.68 is: 160,122,682.99
Step by Step Solution
- Step 1: Write the proportion equation
290,965,207.56 : 436,505,306.77 = 106,734,394.68 : x - Step 2: Convert to fraction form
290,965,207.56/436,505,306.77 = 106,734,394.68/x - Step 3: Cross multiply
290,965,207.56x = 436,505,306.77 × 106,734,394.68 - Step 4: Simplify right side
290,965,207.56x = 46,590,129,692,703,656 - Step 5: Solve for x
x = 46,590,129,692,703,656/290,965,207.56 - Step 6: Final answer
x = 160,122,682.99
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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.