Finding the Fourth Proportional to 126,157,537.20, 189,320,942.70 and 44,276,257.20
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Solution
The fourth proportional to 126,157,537.20, 189,320,942.70 and 44,276,257.20 is: 66,444,089.97
Step by Step Solution
- Step 1: Write the proportion equation
126,157,537.20 : 189,320,942.70 = 44,276,257.20 : x - Step 2: Convert to fraction form
126,157,537.20/189,320,942.70 = 44,276,257.20/x - Step 3: Cross multiply
126,157,537.20x = 189,320,942.70 × 44,276,257.20 - Step 4: Simplify right side
126,157,537.20x = 8,382,422,752,331,662 - Step 5: Solve for x
x = 8,382,422,752,331,662/126,157,537.20 - Step 6: Final answer
x = 66,444,089.97
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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.