Finding the Fourth Proportional to 122,481,739.20, 183,722,608.80 and 54,324,430.95
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Solution
The fourth proportional to 122,481,739.20, 183,722,608.80 and 54,324,430.95 is: 81,486,646.43
Step by Step Solution
- Step 1: Write the proportion equation
122,481,739.20 : 183,722,608.80 = 54,324,430.95 : x - Step 2: Convert to fraction form
122,481,739.20/183,722,608.80 = 54,324,430.95/x - Step 3: Cross multiply
122,481,739.20x = 183,722,608.80 × 54,324,430.95 - Step 4: Simplify right side
122,481,739.20x = 9,980,626,175,709,464 - Step 5: Solve for x
x = 9,980,626,175,709,464/122,481,739.20 - Step 6: Final answer
x = 81,486,646.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.