Finding the Fourth Proportional to 83,765,755.70, 125,660,443.35 and 26,252,029.70
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Solution
The fourth proportional to 83,765,755.70, 125,660,443.35 and 26,252,029.70 is: 39,381,745.72
Step by Step Solution
- Step 1: Write the proportion equation
83,765,755.70 : 125,660,443.35 = 26,252,029.70 : x - Step 2: Convert to fraction form
83,765,755.70/125,660,443.35 = 26,252,029.70/x - Step 3: Cross multiply
83,765,755.70x = 125,660,443.35 × 26,252,029.70 - Step 4: Simplify right side
83,765,755.70x = 3,298,841,690,939,367 - Step 5: Solve for x
x = 3,298,841,690,939,367/83,765,755.70 - Step 6: Final answer
x = 39,381,745.72
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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.