Finding the Fourth Proportional to 87,951,079.53, 121,322,063.25 and 54,853,867.98
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Solution
The fourth proportional to 87,951,079.53, 121,322,063.25 and 54,853,867.98 is: 75,666,887.50
Step by Step Solution
- Step 1: Write the proportion equation
87,951,079.53 : 121,322,063.25 = 54,853,867.98 : x - Step 2: Convert to fraction form
87,951,079.53/121,322,063.25 = 54,853,867.98/x - Step 3: Cross multiply
87,951,079.53x = 121,322,063.25 × 54,853,867.98 - Step 4: Simplify right side
87,951,079.53x = 6,654,984,440,576,709 - Step 5: Solve for x
x = 6,654,984,440,576,709/87,951,079.53 - Step 6: Final answer
x = 75,666,887.50
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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.