Finding the Fourth Proportional to 87,719,273.69, 121,047,801.92 and 48,019,124.42
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Solution
The fourth proportional to 87,719,273.69, 121,047,801.92 and 48,019,124.42 is: 66,263,766.40
Step by Step Solution
- Step 1: Write the proportion equation
87,719,273.69 : 121,047,801.92 = 48,019,124.42 : x - Step 2: Convert to fraction form
87,719,273.69/121,047,801.92 = 48,019,124.42/x - Step 3: Cross multiply
87,719,273.69x = 121,047,801.92 × 48,019,124.42 - Step 4: Simplify right side
87,719,273.69x = 5,812,609,460,318,660 - Step 5: Solve for x
x = 5,812,609,460,318,660/87,719,273.69 - Step 6: Final answer
x = 66,263,766.40
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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.