Finding the Fourth Proportional to 221,392,133.48, 331,800,149.99 and 90,081,380.72
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Solution
The fourth proportional to 221,392,133.48, 331,800,149.99 and 90,081,380.72 is: 135,004,867.44
Step by Step Solution
- Step 1: Write the proportion equation
221,392,133.48 : 331,800,149.99 = 90,081,380.72 : x - Step 2: Convert to fraction form
221,392,133.48/331,800,149.99 = 90,081,380.72/x - Step 3: Cross multiply
221,392,133.48x = 331,800,149.99 × 90,081,380.72 - Step 4: Simplify right side
221,392,133.48x = 29,889,015,632,768,500 - Step 5: Solve for x
x = 29,889,015,632,768,500/221,392,133.48 - Step 6: Final answer
x = 135,004,867.44
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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.