Finding the Fourth Proportional to 285,243,369.12, 427,740,458.16 and 100,949,593.44
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Solution
The fourth proportional to 285,243,369.12, 427,740,458.16 and 100,949,593.44 is: 151,380,294.95
Step by Step Solution
- Step 1: Write the proportion equation
285,243,369.12 : 427,740,458.16 = 100,949,593.44 : x - Step 2: Convert to fraction form
285,243,369.12/427,740,458.16 = 100,949,593.44/x - Step 3: Cross multiply
285,243,369.12x = 427,740,458.16 × 100,949,593.44 - Step 4: Simplify right side
285,243,369.12x = 43,180,225,349,091,336 - Step 5: Solve for x
x = 43,180,225,349,091,336/285,243,369.12 - Step 6: Final answer
x = 151,380,294.95
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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.