Finding the Fourth Proportional to 116,567,983.68, 160,877,923.80 and 66,344,414.06
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Solution
The fourth proportional to 116,567,983.68, 160,877,923.80 and 66,344,414.06 is: 91,563,319.99
Step by Step Solution
- Step 1: Write the proportion equation
116,567,983.68 : 160,877,923.80 = 66,344,414.06 : x - Step 2: Convert to fraction form
116,567,983.68/160,877,923.80 = 66,344,414.06/x - Step 3: Cross multiply
116,567,983.68x = 160,877,923.80 × 66,344,414.06 - Step 4: Simplify right side
116,567,983.68x = 10,673,351,589,700,330 - Step 5: Solve for x
x = 10,673,351,589,700,330/116,567,983.68 - Step 6: Final answer
x = 91,563,319.99
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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.