Finding the Fourth Proportional to 160,121,293.12, 220,965,750.84 and 89,556,734.87
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Solution
The fourth proportional to 160,121,293.12, 220,965,750.84 and 89,556,734.87 is: 123,587,380.41
Step by Step Solution
- Step 1: Write the proportion equation
160,121,293.12 : 220,965,750.84 = 89,556,734.87 : x - Step 2: Convert to fraction form
160,121,293.12/220,965,750.84 = 89,556,734.87/x - Step 3: Cross multiply
160,121,293.12x = 220,965,750.84 × 89,556,734.87 - Step 4: Simplify right side
160,121,293.12x = 19,788,971,163,328,360 - Step 5: Solve for x
x = 19,788,971,163,328,360/160,121,293.12 - Step 6: Final answer
x = 123,587,380.41
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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.