Finding the Fourth Proportional to 150,342,643.18, 225,518,630.37 and 71,541,883.90
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Solution
The fourth proportional to 150,342,643.18, 225,518,630.37 and 71,541,883.90 is: 107,315,046.02
Step by Step Solution
- Step 1: Write the proportion equation
150,342,643.18 : 225,518,630.37 = 71,541,883.90 : x - Step 2: Convert to fraction form
150,342,643.18/225,518,630.37 = 71,541,883.90/x - Step 3: Cross multiply
150,342,643.18x = 225,518,630.37 × 71,541,883.90 - Step 4: Simplify right side
150,342,643.18x = 16,134,027,671,217,556 - Step 5: Solve for x
x = 16,134,027,671,217,556/150,342,643.18 - Step 6: Final answer
x = 107,315,046.02
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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.