Finding the Fourth Proportional to 87,954,595.92, 121,378,947.18 and 48,264,174.24
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Solution
The fourth proportional to 87,954,595.92, 121,378,947.18 and 48,264,174.24 is: 66,605,441.07
Step by Step Solution
- Step 1: Write the proportion equation
87,954,595.92 : 121,378,947.18 = 48,264,174.24 : x - Step 2: Convert to fraction form
87,954,595.92/121,378,947.18 = 48,264,174.24/x - Step 3: Cross multiply
87,954,595.92x = 121,378,947.18 × 48,264,174.24 - Step 4: Simplify right side
87,954,595.92x = 5,858,254,655,763,277 - Step 5: Solve for x
x = 5,858,254,655,763,277/87,954,595.92 - Step 6: Final answer
x = 66,605,441.07
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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.