Finding the Fourth Proportional to 159,811,235.70, 239,716,853.55 and 73,717,793.70
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Solution
The fourth proportional to 159,811,235.70, 239,716,853.55 and 73,717,793.70 is: 110,576,690.55
Step by Step Solution
- Step 1: Write the proportion equation
159,811,235.70 : 239,716,853.55 = 73,717,793.70 : x - Step 2: Convert to fraction form
159,811,235.70/239,716,853.55 = 73,717,793.70/x - Step 3: Cross multiply
159,811,235.70x = 239,716,853.55 × 73,717,793.70 - Step 4: Simplify right side
159,811,235.70x = 17,671,397,556,412,014 - Step 5: Solve for x
x = 17,671,397,556,412,014/159,811,235.70 - Step 6: Final answer
x = 110,576,690.55
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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.