Finding the Fourth Proportional to 125,687,291.89, 173,445,742.84 and 72,766,230.96
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Solution
The fourth proportional to 125,687,291.89, 173,445,742.84 and 72,766,230.96 is: 100,415,824.01
Step by Step Solution
- Step 1: Write the proportion equation
125,687,291.89 : 173,445,742.84 = 72,766,230.96 : x - Step 2: Convert to fraction form
125,687,291.89/173,445,742.84 = 72,766,230.96/x - Step 3: Cross multiply
125,687,291.89x = 173,445,742.84 × 72,766,230.96 - Step 4: Simplify right side
125,687,291.89x = 12,620,992,982,524,206 - Step 5: Solve for x
x = 12,620,992,982,524,206/125,687,291.89 - Step 6: Final answer
x = 100,415,824.01
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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.