Finding the Fourth Proportional to 116,567,995.05, 160,877,939.11 and 66,344,424.80
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Solution
The fourth proportional to 116,567,995.05, 160,877,939.11 and 66,344,424.80 is: 91,563,334.58
Step by Step Solution
- Step 1: Write the proportion equation
116,567,995.05 : 160,877,939.11 = 66,344,424.80 : x - Step 2: Convert to fraction form
116,567,995.05/160,877,939.11 = 66,344,424.80/x - Step 3: Cross multiply
116,567,995.05x = 160,877,939.11 × 66,344,424.80 - Step 4: Simplify right side
116,567,995.05x = 10,673,354,332,292,122 - Step 5: Solve for x
x = 10,673,354,332,292,122/116,567,995.05 - Step 6: Final answer
x = 91,563,334.58
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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.