Finding the Fourth Proportional to 163,224,067.68, 225,246,987.96 and 92,659,064.10
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Solution
The fourth proportional to 163,224,067.68, 225,246,987.96 and 92,659,064.10 is: 127,868,245.12
Step by Step Solution
- Step 1: Write the proportion equation
163,224,067.68 : 225,246,987.96 = 92,659,064.10 : x - Step 2: Convert to fraction form
163,224,067.68/225,246,987.96 = 92,659,064.10/x - Step 3: Cross multiply
163,224,067.68x = 225,246,987.96 × 92,659,064.10 - Step 4: Simplify right side
163,224,067.68x = 20,871,175,095,717,568 - Step 5: Solve for x
x = 20,871,175,095,717,568/163,224,067.68 - Step 6: Final answer
x = 127,868,245.12
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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.