Finding the Fourth Proportional to 69,238,049.84, 95,542,556.64 and 38,290,515.92
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Solution
The fourth proportional to 69,238,049.84, 95,542,556.64 and 38,290,515.92 is: 52,837,620.28
Step by Step Solution
- Step 1: Write the proportion equation
69,238,049.84 : 95,542,556.64 = 38,290,515.92 : x - Step 2: Convert to fraction form
69,238,049.84/95,542,556.64 = 38,290,515.92/x - Step 3: Cross multiply
69,238,049.84x = 95,542,556.64 × 38,290,515.92 - Step 4: Simplify right side
69,238,049.84x = 3,658,373,786,061,422 - Step 5: Solve for x
x = 3,658,373,786,061,422/69,238,049.84 - Step 6: Final answer
x = 52,837,620.28
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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.