Finding the Fourth Proportional to 125,680,414.84, 188,117,378.34 and 67,241,902.12
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Solution
The fourth proportional to 125,680,414.84, 188,117,378.34 and 67,241,902.12 is: 100,647,108.44
Step by Step Solution
- Step 1: Write the proportion equation
125,680,414.84 : 188,117,378.34 = 67,241,902.12 : x - Step 2: Convert to fraction form
125,680,414.84/188,117,378.34 = 67,241,902.12/x - Step 3: Cross multiply
125,680,414.84x = 188,117,378.34 × 67,241,902.12 - Step 4: Simplify right side
125,680,414.84x = 12,649,370,341,409,290 - Step 5: Solve for x
x = 12,649,370,341,409,290/125,680,414.84 - Step 6: Final answer
x = 100,647,108.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.