Finding the Fourth Proportional to 125,396,315.39, 173,104,826.53 and 75,184,295.79
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Solution
The fourth proportional to 125,396,315.39, 173,104,826.53 and 75,184,295.79 is: 103,789,050.26
Step by Step Solution
- Step 1: Write the proportion equation
125,396,315.39 : 173,104,826.53 = 75,184,295.79 : x - Step 2: Convert to fraction form
125,396,315.39/173,104,826.53 = 75,184,295.79/x - Step 3: Cross multiply
125,396,315.39x = 173,104,826.53 × 75,184,295.79 - Step 4: Simplify right side
125,396,315.39x = 13,014,764,480,508,160 - Step 5: Solve for x
x = 13,014,764,480,508,160/125,396,315.39 - Step 6: Final answer
x = 103,789,050.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.