Finding the Fourth Proportional to 127,239,133.36, 190,853,369.16 and 40,975,630.24
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Solution
The fourth proportional to 127,239,133.36, 190,853,369.16 and 40,975,630.24 is: 61,461,728.62
Step by Step Solution
- Step 1: Write the proportion equation
127,239,133.36 : 190,853,369.16 = 40,975,630.24 : x - Step 2: Convert to fraction form
127,239,133.36/190,853,369.16 = 40,975,630.24/x - Step 3: Cross multiply
127,239,133.36x = 190,853,369.16 × 40,975,630.24 - Step 4: Simplify right side
127,239,133.36x = 7,820,337,084,758,380 - Step 5: Solve for x
x = 7,820,337,084,758,380/127,239,133.36 - Step 6: Final answer
x = 61,461,728.62
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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.