Finding the Fourth Proportional to 87,831,896.56, 121,206,537.46 and 48,673,593.52
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Solution
The fourth proportional to 87,831,896.56, 121,206,537.46 and 48,673,593.52 is: 67,168,739.00
Step by Step Solution
- Step 1: Write the proportion equation
87,831,896.56 : 121,206,537.46 = 48,673,593.52 : x - Step 2: Convert to fraction form
87,831,896.56/121,206,537.46 = 48,673,593.52/x - Step 3: Cross multiply
87,831,896.56x = 121,206,537.46 × 48,673,593.52 - Step 4: Simplify right side
87,831,896.56x = 5,899,557,736,294,693 - Step 5: Solve for x
x = 5,899,557,736,294,693/87,831,896.56 - Step 6: Final answer
x = 67,168,739.00
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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.