Finding the Fourth Proportional to 68,267,170.57, 94,217,911.73 and 38,503,928.08
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Solution
The fourth proportional to 68,267,170.57, 94,217,911.73 and 38,503,928.08 is: 53,140,618.94
Step by Step Solution
- Step 1: Write the proportion equation
68,267,170.57 : 94,217,911.73 = 38,503,928.08 : x - Step 2: Convert to fraction form
68,267,170.57/94,217,911.73 = 38,503,928.08/x - Step 3: Cross multiply
68,267,170.57x = 94,217,911.73 × 38,503,928.08 - Step 4: Simplify right side
68,267,170.57x = 3,627,759,696,864,164 - Step 5: Solve for x
x = 3,627,759,696,864,164/68,267,170.57 - Step 6: Final answer
x = 53,140,618.94
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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.