Finding the Fourth Proportional to 93,489,972.84, 140,190,822.09 and 54,639,570.24
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Solution
The fourth proportional to 93,489,972.84, 140,190,822.09 and 54,639,570.24 is: 81,933,559.70
Step by Step Solution
- Step 1: Write the proportion equation
93,489,972.84 : 140,190,822.09 = 54,639,570.24 : x - Step 2: Convert to fraction form
93,489,972.84/140,190,822.09 = 54,639,570.24/x - Step 3: Cross multiply
93,489,972.84x = 140,190,822.09 × 54,639,570.24 - Step 4: Simplify right side
93,489,972.84x = 7,659,966,270,589,899 - Step 5: Solve for x
x = 7,659,966,270,589,899/93,489,972.84 - Step 6: Final answer
x = 81,933,559.70
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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.