Finding the Fourth Proportional to 87,734,400.24, 121,077,256.56 and 48,576,177.84
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Solution
The fourth proportional to 87,734,400.24, 121,077,256.56 and 48,576,177.84 is: 67,037,220.64
Step by Step Solution
- Step 1: Write the proportion equation
87,734,400.24 : 121,077,256.56 = 48,576,177.84 : x - Step 2: Convert to fraction form
87,734,400.24/121,077,256.56 = 48,576,177.84/x - Step 3: Cross multiply
87,734,400.24x = 121,077,256.56 × 48,576,177.84 - Step 4: Simplify right side
87,734,400.24x = 5,881,470,347,037,867 - Step 5: Solve for x
x = 5,881,470,347,037,867/87,734,400.24 - Step 6: Final answer
x = 67,037,220.64
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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.