Finding the Fourth Proportional to 239,284,344.85, 330,213,835.42 and 133,444,442.12
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Solution
The fourth proportional to 239,284,344.85, 330,213,835.42 and 133,444,442.12 is: 184,154,132.92
Step by Step Solution
- Step 1: Write the proportion equation
239,284,344.85 : 330,213,835.42 = 133,444,442.12 : x - Step 2: Convert to fraction form
239,284,344.85/330,213,835.42 = 133,444,442.12/x - Step 3: Cross multiply
239,284,344.85x = 330,213,835.42 × 133,444,442.12 - Step 4: Simplify right side
239,284,344.85x = 44,065,201,045,942,720 - Step 5: Solve for x
x = 44,065,201,045,942,720/239,284,344.85 - Step 6: Final answer
x = 184,154,132.92
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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.