Finding the Fourth Proportional to 87,555,502.68, 120,826,620.18 and 47,863,206.06
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Solution
The fourth proportional to 87,555,502.68, 120,826,620.18 and 47,863,206.06 is: 66,051,238.84
Step by Step Solution
- Step 1: Write the proportion equation
87,555,502.68 : 120,826,620.18 = 47,863,206.06 : x - Step 2: Convert to fraction form
87,555,502.68/120,826,620.18 = 47,863,206.06/x - Step 3: Cross multiply
87,555,502.68x = 120,826,620.18 × 47,863,206.06 - Step 4: Simplify right side
87,555,502.68x = 5,783,149,419,208,695 - Step 5: Solve for x
x = 5,783,149,419,208,695/87,555,502.68 - Step 6: Final answer
x = 66,051,238.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.