Finding the Fourth Proportional to 126,464,404.21, 174,467,437.72 and 84,661,937.62
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Solution
The fourth proportional to 126,464,404.21, 174,467,437.72 and 84,661,937.62 is: 116,797,698.30
Step by Step Solution
- Step 1: Write the proportion equation
126,464,404.21 : 174,467,437.72 = 84,661,937.62 : x - Step 2: Convert to fraction form
126,464,404.21/174,467,437.72 = 84,661,937.62/x - Step 3: Cross multiply
126,464,404.21x = 174,467,437.72 × 84,661,937.62 - Step 4: Simplify right side
126,464,404.21x = 14,770,751,328,971,876 - Step 5: Solve for x
x = 14,770,751,328,971,876/126,464,404.21 - Step 6: Final answer
x = 116,797,698.30
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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.