Finding the Fourth Proportional to 125,396,314.39, 173,104,825.15 and 75,184,294.79
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Solution
The fourth proportional to 125,396,314.39, 173,104,825.15 and 75,184,294.79 is: 103,789,048.88
Step by Step Solution
- Step 1: Write the proportion equation
125,396,314.39 : 173,104,825.15 = 75,184,294.79 : x - Step 2: Convert to fraction form
125,396,314.39/173,104,825.15 = 75,184,294.79/x - Step 3: Cross multiply
125,396,314.39x = 173,104,825.15 × 75,184,294.79 - Step 4: Simplify right side
125,396,314.39x = 13,014,764,203,649,008 - Step 5: Solve for x
x = 13,014,764,203,649,008/125,396,314.39 - Step 6: Final answer
x = 103,789,048.88
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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.