Finding the Fourth Proportional to 74,376,121.20, 111,564,181.80 and 74,376,121.20
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Solution
The fourth proportional to 74,376,121.20, 111,564,181.80 and 74,376,121.20 is: 111,564,181.80
Step by Step Solution
- Step 1: Write the proportion equation
74,376,121.20 : 111,564,181.80 = 74,376,121.20 : x - Step 2: Convert to fraction form
74,376,121.20/111,564,181.80 = 74,376,121.20/x - Step 3: Cross multiply
74,376,121.20x = 111,564,181.80 × 74,376,121.20 - Step 4: Simplify right side
74,376,121.20x = 8,297,711,107,135,634 - Step 5: Solve for x
x = 8,297,711,107,135,634/74,376,121.20 - Step 6: Final answer
x = 111,564,181.80
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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.