Finding the Fourth Proportional to 126,464,402.71, 174,467,435.65 and 84,661,936.12
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Solution
The fourth proportional to 126,464,402.71, 174,467,435.65 and 84,661,936.12 is: 116,797,696.23
Step by Step Solution
- Step 1: Write the proportion equation
126,464,402.71 : 174,467,435.65 = 84,661,936.12 : x - Step 2: Convert to fraction form
126,464,402.71/174,467,435.65 = 84,661,936.12/x - Step 3: Cross multiply
126,464,402.71x = 174,467,435.65 × 84,661,936.12 - Step 4: Simplify right side
126,464,402.71x = 14,770,750,892,020,512 - Step 5: Solve for x
x = 14,770,750,892,020,512/126,464,402.71 - Step 6: Final answer
x = 116,797,696.23
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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.