Finding the Fourth Proportional to 73,693,781.16, 110,431,497.91 and 29,921,311.09
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Solution
The fourth proportional to 73,693,781.16, 110,431,497.91 and 29,921,311.09 is: 44,837,639.64
Step by Step Solution
- Step 1: Write the proportion equation
73,693,781.16 : 110,431,497.91 = 29,921,311.09 : x - Step 2: Convert to fraction form
73,693,781.16/110,431,497.91 = 29,921,311.09/x - Step 3: Cross multiply
73,693,781.16x = 110,431,497.91 × 29,921,311.09 - Step 4: Simplify right side
73,693,781.16x = 3,304,255,203,099,794.50 - Step 5: Solve for x
x = 3,304,255,203,099,794.50/73,693,781.16 - Step 6: Final answer
x = 44,837,639.64
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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.