Finding the Fourth Proportional to 199,982,892.81, 299,944,029.99 and 54,427,796.73
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Solution
The fourth proportional to 199,982,892.81, 299,944,029.99 and 54,427,796.73 is: 81,633,446.07
Step by Step Solution
- Step 1: Write the proportion equation
199,982,892.81 : 299,944,029.99 = 54,427,796.73 : x - Step 2: Convert to fraction form
199,982,892.81/299,944,029.99 = 54,427,796.73/x - Step 3: Cross multiply
199,982,892.81x = 299,944,029.99 × 54,427,796.73 - Step 4: Simplify right side
199,982,892.81x = 16,325,292,694,672,744 - Step 5: Solve for x
x = 16,325,292,694,672,744/199,982,892.81 - Step 6: Final answer
x = 81,633,446.07
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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.