Finding the Fourth Proportional to 125,491,445.91, 173,182,395.77 and 69,739,216.18
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Solution
The fourth proportional to 125,491,445.91, 173,182,395.77 and 69,739,216.18 is: 96,242,452.62
Step by Step Solution
- Step 1: Write the proportion equation
125,491,445.91 : 173,182,395.77 = 69,739,216.18 : x - Step 2: Convert to fraction form
125,491,445.91/173,182,395.77 = 69,739,216.18/x - Step 3: Cross multiply
125,491,445.91x = 173,182,395.77 × 69,739,216.18 - Step 4: Simplify right side
125,491,445.91x = 12,077,604,536,654,218 - Step 5: Solve for x
x = 12,077,604,536,654,218/125,491,445.91 - Step 6: Final answer
x = 96,242,452.62
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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.