Finding the Fourth Proportional to 83,597,542.26, 115,403,215.85 and 50,122,862.53
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Solution
The fourth proportional to 83,597,542.26, 115,403,215.85 and 50,122,862.53 is: 69,192,698.34
Step by Step Solution
- Step 1: Write the proportion equation
83,597,542.26 : 115,403,215.85 = 50,122,862.53 : x - Step 2: Convert to fraction form
83,597,542.26/115,403,215.85 = 50,122,862.53/x - Step 3: Cross multiply
83,597,542.26x = 115,403,215.85 × 50,122,862.53 - Step 4: Simplify right side
83,597,542.26x = 5,784,339,523,229,493 - Step 5: Solve for x
x = 5,784,339,523,229,493/83,597,542.26 - Step 6: Final answer
x = 69,192,698.34
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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.