Finding the Fourth Proportional to 230,769,631.26, 318,449,474.55 and 126,327,497.82
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Solution
The fourth proportional to 230,769,631.26, 318,449,474.55 and 126,327,497.82 is: 174,325,040.44
Step by Step Solution
- Step 1: Write the proportion equation
230,769,631.26 : 318,449,474.55 = 126,327,497.82 : x - Step 2: Convert to fraction form
230,769,631.26/318,449,474.55 = 126,327,497.82/x - Step 3: Cross multiply
230,769,631.26x = 318,449,474.55 × 126,327,497.82 - Step 4: Simplify right side
230,769,631.26x = 40,228,925,301,995,272 - Step 5: Solve for x
x = 40,228,925,301,995,272/230,769,631.26 - Step 6: Final answer
x = 174,325,040.44
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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.