Finding the Fourth Proportional to 115,560,657.80, 173,340,986.70 and 38,858,193.80
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Solution
The fourth proportional to 115,560,657.80, 173,340,986.70 and 38,858,193.80 is: 58,287,290.70
Step by Step Solution
- Step 1: Write the proportion equation
115,560,657.80 : 173,340,986.70 = 38,858,193.80 : x - Step 2: Convert to fraction form
115,560,657.80/173,340,986.70 = 38,858,193.80/x - Step 3: Cross multiply
115,560,657.80x = 173,340,986.70 × 38,858,193.80 - Step 4: Simplify right side
115,560,657.80x = 6,735,717,654,671,821 - Step 5: Solve for x
x = 6,735,717,654,671,821/115,560,657.80 - Step 6: Final answer
x = 58,287,290.70
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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.