Finding the Fourth Proportional to 251,282,464.80, 376,923,697.20 and 122,142,301.80
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Solution
The fourth proportional to 251,282,464.80, 376,923,697.20 and 122,142,301.80 is: 183,213,452.70
Step by Step Solution
- Step 1: Write the proportion equation
251,282,464.80 : 376,923,697.20 = 122,142,301.80 : x - Step 2: Convert to fraction form
251,282,464.80/376,923,697.20 = 122,142,301.80/x - Step 3: Cross multiply
251,282,464.80x = 376,923,697.20 × 122,142,301.80 - Step 4: Simplify right side
251,282,464.80x = 46,038,327,978,974,216 - Step 5: Solve for x
x = 46,038,327,978,974,216/251,282,464.80 - Step 6: Final answer
x = 183,213,452.70
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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.