Finding the Fourth Proportional to 83,613,921.92, 125,422,143.60 and 29,028,240.80
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Solution
The fourth proportional to 83,613,921.92, 125,422,143.60 and 29,028,240.80 is: 43,542,798.88
Step by Step Solution
- Step 1: Write the proportion equation
83,613,921.92 : 125,422,143.60 = 29,028,240.80 : x - Step 2: Convert to fraction form
83,613,921.92/125,422,143.60 = 29,028,240.80/x - Step 3: Cross multiply
83,613,921.92x = 125,422,143.60 × 29,028,240.80 - Step 4: Simplify right side
83,613,921.92x = 3,640,784,186,072,979 - Step 5: Solve for x
x = 3,640,784,186,072,979/83,613,921.92 - Step 6: Final answer
x = 43,542,798.88
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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.