Finding the Fourth Proportional to 80,518,570.26, 120,774,481.83 and 25,929,947.49
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Solution
The fourth proportional to 80,518,570.26, 120,774,481.83 and 25,929,947.49 is: 38,893,834.82
Step by Step Solution
- Step 1: Write the proportion equation
80,518,570.26 : 120,774,481.83 = 25,929,947.49 : x - Step 2: Convert to fraction form
80,518,570.26/120,774,481.83 = 25,929,947.49/x - Step 3: Cross multiply
80,518,570.26x = 120,774,481.83 × 25,929,947.49 - Step 4: Simplify right side
80,518,570.26x = 3,131,675,971,983,859 - Step 5: Solve for x
x = 3,131,675,971,983,859/80,518,570.26 - Step 6: Final answer
x = 38,893,834.82
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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.