Finding the Fourth Proportional to 127,727,174.79, 190,890,975.15 and 93,256,253.07
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Solution
The fourth proportional to 127,727,174.79, 190,890,975.15 and 93,256,253.07 is: 139,373,450.61
Step by Step Solution
- Step 1: Write the proportion equation
127,727,174.79 : 190,890,975.15 = 93,256,253.07 : x - Step 2: Convert to fraction form
127,727,174.79/190,890,975.15 = 93,256,253.07/x - Step 3: Cross multiply
127,727,174.79x = 190,890,975.15 × 93,256,253.07 - Step 4: Simplify right side
127,727,174.79x = 17,801,777,087,367,480 - Step 5: Solve for x
x = 17,801,777,087,367,480/127,727,174.79 - Step 6: Final answer
x = 139,373,450.61
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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.