Finding the Fourth Proportional to 136,395,821.79, 204,723,079.26 and 84,423,212.04
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Solution
The fourth proportional to 136,395,821.79, 204,723,079.26 and 84,423,212.04 is: 126,714,878.09
Step by Step Solution
- Step 1: Write the proportion equation
136,395,821.79 : 204,723,079.26 = 84,423,212.04 : x - Step 2: Convert to fraction form
136,395,821.79/204,723,079.26 = 84,423,212.04/x - Step 3: Cross multiply
136,395,821.79x = 204,723,079.26 × 84,423,212.04 - Step 4: Simplify right side
136,395,821.79x = 17,283,379,929,848,706 - Step 5: Solve for x
x = 17,283,379,929,848,706/136,395,821.79 - Step 6: Final answer
x = 126,714,878.09
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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.