Finding the Fourth Proportional to 127,727,183.80, 190,890,988.57 and 93,256,262.08
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Solution
The fourth proportional to 127,727,183.80, 190,890,988.57 and 93,256,262.08 is: 139,373,464.04
Step by Step Solution
- Step 1: Write the proportion equation
127,727,183.80 : 190,890,988.57 = 93,256,262.08 : x - Step 2: Convert to fraction form
127,727,183.80/190,890,988.57 = 93,256,262.08/x - Step 3: Cross multiply
127,727,183.80x = 190,890,988.57 × 93,256,262.08 - Step 4: Simplify right side
127,727,183.80x = 17,801,780,058,794,204 - Step 5: Solve for x
x = 17,801,780,058,794,204/127,727,183.80 - Step 6: Final answer
x = 139,373,464.04
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.