Finding the Fourth Proportional to 121,599,352.62, 167,819,086.71 and 69,396,245.82
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Solution
The fourth proportional to 121,599,352.62, 167,819,086.71 and 69,396,245.82 is: 95,773,656.22
Step by Step Solution
- Step 1: Write the proportion equation
121,599,352.62 : 167,819,086.71 = 69,396,245.82 : x - Step 2: Convert to fraction form
121,599,352.62/167,819,086.71 = 69,396,245.82/x - Step 3: Cross multiply
121,599,352.62x = 167,819,086.71 × 69,396,245.82 - Step 4: Simplify right side
121,599,352.62x = 11,646,014,594,615,054 - Step 5: Solve for x
x = 11,646,014,594,615,054/121,599,352.62 - Step 6: Final answer
x = 95,773,656.22
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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.