Finding the Fourth Proportional to 83,765,664.70, 125,660,306.85 and 26,251,938.70
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Solution
The fourth proportional to 83,765,664.70, 125,660,306.85 and 26,251,938.70 is: 39,381,609.21
Step by Step Solution
- Step 1: Write the proportion equation
83,765,664.70 : 125,660,306.85 = 26,251,938.70 : x - Step 2: Convert to fraction form
83,765,664.70/125,660,306.85 = 26,251,938.70/x - Step 3: Cross multiply
83,765,664.70x = 125,660,306.85 × 26,251,938.70 - Step 4: Simplify right side
83,765,664.70x = 3,298,826,672,449,390 - Step 5: Solve for x
x = 3,298,826,672,449,390/83,765,664.70 - Step 6: Final answer
x = 39,381,609.21
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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.