Finding the Fourth Proportional to 126,131,408.88, 189,203,867.88 and 39,863,251.44
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Solution
The fourth proportional to 126,131,408.88, 189,203,867.88 and 39,863,251.44 is: 59,797,011.91
Step by Step Solution
- Step 1: Write the proportion equation
126,131,408.88 : 189,203,867.88 = 39,863,251.44 : x - Step 2: Convert to fraction form
126,131,408.88/189,203,867.88 = 39,863,251.44/x - Step 3: Cross multiply
126,131,408.88x = 189,203,867.88 × 39,863,251.44 - Step 4: Simplify right side
126,131,408.88x = 7,542,281,358,720,979 - Step 5: Solve for x
x = 7,542,281,358,720,979/126,131,408.88 - Step 6: Final answer
x = 59,797,011.91
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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.