Finding the Fourth Proportional to 281,303,999.53, 388,199,519.36 and 157,544,676.66
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Solution
The fourth proportional to 281,303,999.53, 388,199,519.36 and 157,544,676.66 is: 217,411,653.80
Step by Step Solution
- Step 1: Write the proportion equation
281,303,999.53 : 388,199,519.36 = 157,544,676.66 : x - Step 2: Convert to fraction form
281,303,999.53/388,199,519.36 = 157,544,676.66/x - Step 3: Cross multiply
281,303,999.53x = 388,199,519.36 × 157,544,676.66 - Step 4: Simplify right side
281,303,999.53x = 61,158,767,757,138,608 - Step 5: Solve for x
x = 61,158,767,757,138,608/281,303,999.53 - Step 6: Final answer
x = 217,411,653.80
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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.