Finding the Fourth Proportional to 263,197,354.26, 363,217,890.42 and 144,124,947.30
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Solution
The fourth proportional to 263,197,354.26, 363,217,890.42 and 144,124,947.30 is: 198,895,461.78
Step by Step Solution
- Step 1: Write the proportion equation
263,197,354.26 : 363,217,890.42 = 144,124,947.30 : x - Step 2: Convert to fraction form
263,197,354.26/363,217,890.42 = 144,124,947.30/x - Step 3: Cross multiply
263,197,354.26x = 363,217,890.42 × 144,124,947.30 - Step 4: Simplify right side
263,197,354.26x = 52,348,759,315,199,680 - Step 5: Solve for x
x = 52,348,759,315,199,680/263,197,354.26 - Step 6: Final answer
x = 198,895,461.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.