Finding the Fourth Proportional to 79,442,466.85, 119,161,497.45 and 21,150,644.95
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Solution
The fourth proportional to 79,442,466.85, 119,161,497.45 and 21,150,644.95 is: 31,725,380.95
Step by Step Solution
- Step 1: Write the proportion equation
79,442,466.85 : 119,161,497.45 = 21,150,644.95 : x - Step 2: Convert to fraction form
79,442,466.85/119,161,497.45 = 21,150,644.95/x - Step 3: Cross multiply
79,442,466.85x = 119,161,497.45 × 21,150,644.95 - Step 4: Simplify right side
79,442,466.85x = 2,520,342,524,275,280.50 - Step 5: Solve for x
x = 2,520,342,524,275,280.50/79,442,466.85 - Step 6: Final answer
x = 31,725,380.95
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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.