Finding the Fourth Proportional to 131,631,744.90, 197,447,617.35 and 93,367,992.90
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Solution
The fourth proportional to 131,631,744.90, 197,447,617.35 and 93,367,992.90 is: 140,051,989.35
Step by Step Solution
- Step 1: Write the proportion equation
131,631,744.90 : 197,447,617.35 = 93,367,992.90 : x - Step 2: Convert to fraction form
131,631,744.90/197,447,617.35 = 93,367,992.90/x - Step 3: Cross multiply
131,631,744.90x = 197,447,617.35 × 93,367,992.90 - Step 4: Simplify right side
131,631,744.90x = 18,435,287,734,856,716 - Step 5: Solve for x
x = 18,435,287,734,856,716/131,631,744.90 - Step 6: Final answer
x = 140,051,989.35
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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.