Finding the Fourth Proportional to 146,765,156.41, 202,536,046.15 and 80,686,778.91
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Solution
The fourth proportional to 146,765,156.41, 202,536,046.15 and 80,686,778.91 is: 111,347,826.53
Step by Step Solution
- Step 1: Write the proportion equation
146,765,156.41 : 202,536,046.15 = 80,686,778.91 : x - Step 2: Convert to fraction form
146,765,156.41/202,536,046.15 = 80,686,778.91/x - Step 3: Cross multiply
146,765,156.41x = 202,536,046.15 × 80,686,778.91 - Step 4: Simplify right side
146,765,156.41x = 16,341,981,176,808,890 - Step 5: Solve for x
x = 16,341,981,176,808,890/146,765,156.41 - Step 6: Final answer
x = 111,347,826.53
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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.