Finding the Fourth Proportional to 83,542,678.01, 125,313,844.70 and 47,134,540.79
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Solution
The fourth proportional to 83,542,678.01, 125,313,844.70 and 47,134,540.79 is: 70,701,713.96
Step by Step Solution
- Step 1: Write the proportion equation
83,542,678.01 : 125,313,844.70 = 47,134,540.79 : x - Step 2: Convert to fraction form
83,542,678.01/125,313,844.70 = 47,134,540.79/x - Step 3: Cross multiply
83,542,678.01x = 125,313,844.70 × 47,134,540.79 - Step 4: Simplify right side
83,542,678.01x = 5,906,610,524,055,142 - Step 5: Solve for x
x = 5,906,610,524,055,142/83,542,678.01 - Step 6: Final answer
x = 70,701,713.96
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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.