Home / 134,136,039.40-201,204,059.10-90,770,453.80

Finding the Fourth Proportional to 134,136,039.40, 201,204,059.10 and 90,770,453.80

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Solution

The fourth proportional to 134,136,039.40, 201,204,059.10 and 90,770,453.80 is: 136,155,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136,039.40 : 201,204,059.10 = 90,770,453.80 : x
  2. Step 2: Convert to fraction form
    134,136,039.40/201,204,059.10 = 90,770,453.80/x
  3. Step 3: Cross multiply
    134,136,039.40x = 201,204,059.10 × 90,770,453.80
  4. Step 4: Simplify right side
    134,136,039.40x = 18,263,383,750,909,020
  5. Step 5: Solve for x
    x = 18,263,383,750,909,020/134,136,039.40
  6. Step 6: Final answer
    x = 136,155,680.70

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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.