Finding the Fourth Proportional to 83,674,821.75, 125,440,348.55 and 29,080,314.29
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Solution
The fourth proportional to 83,674,821.75, 125,440,348.55 and 29,080,314.29 is: 43,595,488.86
Step by Step Solution
- Step 1: Write the proportion equation
83,674,821.75 : 125,440,348.55 = 29,080,314.29 : x - Step 2: Convert to fraction form
83,674,821.75/125,440,348.55 = 29,080,314.29/x - Step 3: Cross multiply
83,674,821.75x = 125,440,348.55 × 29,080,314.29 - Step 4: Simplify right side
83,674,821.75x = 3,647,844,759,708,542.50 - Step 5: Solve for x
x = 3,647,844,759,708,542.50/83,674,821.75 - Step 6: Final answer
x = 43,595,488.86
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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.