Finding the Fourth Proportional to 55,249,753.70, 82,860,489.50 and 16,379,115.98
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Solution
The fourth proportional to 55,249,753.70, 82,860,489.50 and 16,379,115.98 is: 24,564,481.76
Step by Step Solution
- Step 1: Write the proportion equation
55,249,753.70 : 82,860,489.50 = 16,379,115.98 : x - Step 2: Convert to fraction form
55,249,753.70/82,860,489.50 = 16,379,115.98/x - Step 3: Cross multiply
55,249,753.70x = 82,860,489.50 × 16,379,115.98 - Step 4: Simplify right side
55,249,753.70x = 1,357,181,567,183,874.25 - Step 5: Solve for x
x = 1,357,181,567,183,874.25/55,249,753.70 - Step 6: Final answer
x = 24,564,481.76
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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.