Finding the Fourth Proportional to 69,957,115.02, 96,540,947.55 and 39,019,278.42
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Solution
The fourth proportional to 69,957,115.02, 96,540,947.55 and 39,019,278.42 is: 53,846,676.07
Step by Step Solution
- Step 1: Write the proportion equation
69,957,115.02 : 96,540,947.55 = 39,019,278.42 : x - Step 2: Convert to fraction form
69,957,115.02/96,540,947.55 = 39,019,278.42/x - Step 3: Cross multiply
69,957,115.02x = 96,540,947.55 × 39,019,278.42 - Step 4: Simplify right side
69,957,115.02x = 3,766,958,111,384,067 - Step 5: Solve for x
x = 3,766,958,111,384,067/69,957,115.02 - Step 6: Final answer
x = 53,846,676.07
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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.