Finding the Fourth Proportional to 263,329,319.84, 363,394,454.79 and 145,862,216.90
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Solution
The fourth proportional to 263,329,319.84, 363,394,454.79 and 145,862,216.90 is: 201,289,855.67
Step by Step Solution
- Step 1: Write the proportion equation
263,329,319.84 : 363,394,454.79 = 145,862,216.90 : x - Step 2: Convert to fraction form
263,329,319.84/363,394,454.79 = 145,862,216.90/x - Step 3: Cross multiply
263,329,319.84x = 363,394,454.79 × 145,862,216.90 - Step 4: Simplify right side
263,329,319.84x = 53,005,520,783,019,256 - Step 5: Solve for x
x = 53,005,520,783,019,256/263,329,319.84 - Step 6: Final answer
x = 201,289,855.67
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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.