Finding the Fourth Proportional to 297,040,020.21, 445,651,252.52 and 141,791,932.53
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Solution
The fourth proportional to 297,040,020.21, 445,651,252.52 and 141,791,932.53 is: 212,731,443.67
Step by Step Solution
- Step 1: Write the proportion equation
297,040,020.21 : 445,651,252.52 = 141,791,932.53 : x - Step 2: Convert to fraction form
297,040,020.21/445,651,252.52 = 141,791,932.53/x - Step 3: Cross multiply
297,040,020.21x = 445,651,252.52 × 141,791,932.53 - Step 4: Simplify right side
297,040,020.21x = 63,189,752,328,516,872 - Step 5: Solve for x
x = 63,189,752,328,516,872/297,040,020.21 - Step 6: Final answer
x = 212,731,443.67
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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.