Finding the Fourth Proportional to 80,452,004.05, 120,678,006.08 and 29,335,690.45
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Solution
The fourth proportional to 80,452,004.05, 120,678,006.08 and 29,335,690.45 is: 44,003,535.68
Step by Step Solution
- Step 1: Write the proportion equation
80,452,004.05 : 120,678,006.08 = 29,335,690.45 : x - Step 2: Convert to fraction form
80,452,004.05/120,678,006.08 = 29,335,690.45/x - Step 3: Cross multiply
80,452,004.05x = 120,678,006.08 × 29,335,690.45 - Step 4: Simplify right side
80,452,004.05x = 3,540,172,630,486,098 - Step 5: Solve for x
x = 3,540,172,630,486,098/80,452,004.05 - Step 6: Final answer
x = 44,003,535.68
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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.