Finding the Fourth Proportional to 159,770,775.60, 239,656,163.40 and 82,286,677.80
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Solution
The fourth proportional to 159,770,775.60, 239,656,163.40 and 82,286,677.80 is: 123,430,016.70
Step by Step Solution
- Step 1: Write the proportion equation
159,770,775.60 : 239,656,163.40 = 82,286,677.80 : x - Step 2: Convert to fraction form
159,770,775.60/239,656,163.40 = 82,286,677.80/x - Step 3: Cross multiply
159,770,775.60x = 239,656,163.40 × 82,286,677.80 - Step 4: Simplify right side
159,770,775.60x = 19,720,509,500,479,952 - Step 5: Solve for x
x = 19,720,509,500,479,952/159,770,775.60 - Step 6: Final answer
x = 123,430,016.70
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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.