Finding the Fourth Proportional to 87,719,273.36, 121,047,801.44 and 48,019,124.06
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Solution
The fourth proportional to 87,719,273.36, 121,047,801.44 and 48,019,124.06 is: 66,263,765.90
Step by Step Solution
- Step 1: Write the proportion equation
87,719,273.36 : 121,047,801.44 = 48,019,124.06 : x - Step 2: Convert to fraction form
87,719,273.36/121,047,801.44 = 48,019,124.06/x - Step 3: Cross multiply
87,719,273.36x = 121,047,801.44 × 48,019,124.06 - Step 4: Simplify right side
87,719,273.36x = 5,812,609,395,277,514 - Step 5: Solve for x
x = 5,812,609,395,277,514/87,719,273.36 - Step 6: Final answer
x = 66,263,765.90
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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.