Finding the Fourth Proportional to 203,571,735.68, 305,218,200.41 and 103,667,993.08
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Solution
The fourth proportional to 203,571,735.68, 305,218,200.41 and 103,667,993.08 is: 155,430,999.21
Step by Step Solution
- Step 1: Write the proportion equation
203,571,735.68 : 305,218,200.41 = 103,667,993.08 : x - Step 2: Convert to fraction form
203,571,735.68/305,218,200.41 = 103,667,993.08/x - Step 3: Cross multiply
203,571,735.68x = 305,218,200.41 × 103,667,993.08 - Step 4: Simplify right side
203,571,735.68x = 31,641,358,287,993,936 - Step 5: Solve for x
x = 31,641,358,287,993,936/203,571,735.68 - Step 6: Final answer
x = 155,430,999.21
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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.