Finding the Fourth Proportional to 135,662,880.68, 203,495,580.47 and 38,618,584.75
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Solution
The fourth proportional to 135,662,880.68, 203,495,580.47 and 38,618,584.75 is: 57,928,235.65
Step by Step Solution
- Step 1: Write the proportion equation
135,662,880.68 : 203,495,580.47 = 38,618,584.75 : x - Step 2: Convert to fraction form
135,662,880.68/203,495,580.47 = 38,618,584.75/x - Step 3: Cross multiply
135,662,880.68x = 203,495,580.47 × 38,618,584.75 - Step 4: Simplify right side
135,662,880.68x = 7,858,711,320,765,019 - Step 5: Solve for x
x = 7,858,711,320,765,019/135,662,880.68 - Step 6: Final answer
x = 57,928,235.65
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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.