Finding the Fourth Proportional to 221,392,359.24, 331,800,489.12 and 90,081,606.12
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Solution
The fourth proportional to 221,392,359.24, 331,800,489.12 and 90,081,606.12 is: 135,005,205.57
Step by Step Solution
- Step 1: Write the proportion equation
221,392,359.24 : 331,800,489.12 = 90,081,606.12 : x - Step 2: Convert to fraction form
221,392,359.24/331,800,489.12 = 90,081,606.12/x - Step 3: Cross multiply
221,392,359.24x = 331,800,489.12 × 90,081,606.12 - Step 4: Simplify right side
221,392,359.24x = 29,889,120,971,331,188 - Step 5: Solve for x
x = 29,889,120,971,331,188/221,392,359.24 - Step 6: Final answer
x = 135,005,205.57
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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.