Finding the Fourth Proportional to 193,536,982.20, 290,438,183.70 and 85,908,847.80
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Solution
The fourth proportional to 193,536,982.20, 290,438,183.70 and 85,908,847.80 is: 128,922,180.33
Step by Step Solution
- Step 1: Write the proportion equation
193,536,982.20 : 290,438,183.70 = 85,908,847.80 : x - Step 2: Convert to fraction form
193,536,982.20/290,438,183.70 = 85,908,847.80/x - Step 3: Cross multiply
193,536,982.20x = 290,438,183.70 × 85,908,847.80 - Step 4: Simplify right side
193,536,982.20x = 24,951,209,718,791,740 - Step 5: Solve for x
x = 24,951,209,718,791,740/193,536,982.20 - Step 6: Final answer
x = 128,922,180.33
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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.