Finding the Fourth Proportional to 339,183,626.20, 508,775,439.30 and 121,080,239.80
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Solution
The fourth proportional to 339,183,626.20, 508,775,439.30 and 121,080,239.80 is: 181,620,359.70
Step by Step Solution
- Step 1: Write the proportion equation
339,183,626.20 : 508,775,439.30 = 121,080,239.80 : x - Step 2: Convert to fraction form
339,183,626.20/508,775,439.30 = 121,080,239.80/x - Step 3: Cross multiply
339,183,626.20x = 508,775,439.30 × 121,080,239.80 - Step 4: Simplify right side
339,183,626.20x = 61,602,652,194,794,344 - Step 5: Solve for x
x = 61,602,652,194,794,344/339,183,626.20 - Step 6: Final answer
x = 181,620,359.70
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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.