Finding the Fourth Proportional to 80,475,977.10, 120,745,458.45 and 29,363,162.70
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Solution
The fourth proportional to 80,475,977.10, 120,745,458.45 and 29,363,162.70 is: 44,056,234.79
Step by Step Solution
- Step 1: Write the proportion equation
80,475,977.10 : 120,745,458.45 = 29,363,162.70 : x - Step 2: Convert to fraction form
80,475,977.10/120,745,458.45 = 29,363,162.70/x - Step 3: Cross multiply
80,475,977.10x = 120,745,458.45 × 29,363,162.70 - Step 4: Simplify right side
80,475,977.10x = 3,545,468,541,753,440 - Step 5: Solve for x
x = 3,545,468,541,753,440/80,475,977.10 - Step 6: Final answer
x = 44,056,234.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.