Finding the Fourth Proportional to 251,642,864.97, 347,088,267.54 and 167,968,807.92
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Solution
The fourth proportional to 251,642,864.97, 347,088,267.54 and 167,968,807.92 is: 231,677,550.44
Step by Step Solution
- Step 1: Write the proportion equation
251,642,864.97 : 347,088,267.54 = 167,968,807.92 : x - Step 2: Convert to fraction form
251,642,864.97/347,088,267.54 = 167,968,807.92/x - Step 3: Cross multiply
251,642,864.97x = 347,088,267.54 × 167,968,807.92 - Step 4: Simplify right side
251,642,864.97x = 58,300,002,541,711,832 - Step 5: Solve for x
x = 58,300,002,541,711,832/251,642,864.97 - Step 6: Final answer
x = 231,677,550.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.