Finding the Fourth Proportional to 126,464,392.38, 174,467,421.42 and 84,661,925.81
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Solution
The fourth proportional to 126,464,392.38, 174,467,421.42 and 84,661,925.81 is: 116,797,682.03
Step by Step Solution
- Step 1: Write the proportion equation
126,464,392.38 : 174,467,421.42 = 84,661,925.81 : x - Step 2: Convert to fraction form
126,464,392.38/174,467,421.42 = 84,661,925.81/x - Step 3: Cross multiply
126,464,392.38x = 174,467,421.42 × 84,661,925.81 - Step 4: Simplify right side
126,464,392.38x = 14,770,747,888,297,534 - Step 5: Solve for x
x = 14,770,747,888,297,534/126,464,392.38 - Step 6: Final answer
x = 116,797,682.03
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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.