Finding the Fourth Proportional to 87,608,007.36, 120,899,852.64 and 48,447,760.32
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Solution
The fourth proportional to 87,608,007.36, 120,899,852.64 and 48,447,760.32 is: 66,858,353.02
Step by Step Solution
- Step 1: Write the proportion equation
87,608,007.36 : 120,899,852.64 = 48,447,760.32 : x - Step 2: Convert to fraction form
87,608,007.36/120,899,852.64 = 48,447,760.32/x - Step 3: Cross multiply
87,608,007.36x = 120,899,852.64 × 48,447,760.32 - Step 4: Simplify right side
87,608,007.36x = 5,857,327,083,426,039 - Step 5: Solve for x
x = 5,857,327,083,426,039/87,608,007.36 - Step 6: Final answer
x = 66,858,353.02
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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.