Finding the Fourth Proportional to 80,476,101.10, 120,745,644.45 and 29,363,286.70
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Solution
The fourth proportional to 80,476,101.10, 120,745,644.45 and 29,363,286.70 is: 44,056,420.82
Step by Step Solution
- Step 1: Write the proportion equation
80,476,101.10 : 120,745,644.45 = 29,363,286.70 : x - Step 2: Convert to fraction form
80,476,101.10/120,745,644.45 = 29,363,286.70/x - Step 3: Cross multiply
80,476,101.10x = 120,745,644.45 × 29,363,286.70 - Step 4: Simplify right side
80,476,101.10x = 3,545,488,975,761,614 - Step 5: Solve for x
x = 3,545,488,975,761,614/80,476,101.10 - Step 6: Final answer
x = 44,056,420.82
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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.