Finding the Fourth Proportional to 83,613,782.43, 125,421,934.41 and 29,028,101.31
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Solution
The fourth proportional to 83,613,782.43, 125,421,934.41 and 29,028,101.31 is: 43,542,589.66
Step by Step Solution
- Step 1: Write the proportion equation
83,613,782.43 : 125,421,934.41 = 29,028,101.31 : x - Step 2: Convert to fraction form
83,613,782.43/125,421,934.41 = 29,028,101.31/x - Step 3: Cross multiply
83,613,782.43x = 125,421,934.41 × 29,028,101.31 - Step 4: Simplify right side
83,613,782.43x = 3,640,760,618,549,655 - Step 5: Solve for x
x = 3,640,760,618,549,655/83,613,782.43 - Step 6: Final answer
x = 43,542,589.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.