Home / 133,022,512.80-199,533,769.20-129,041,200.80

Finding the Fourth Proportional to 133,022,512.80, 199,533,769.20 and 129,041,200.80

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Solution

The fourth proportional to 133,022,512.80, 199,533,769.20 and 129,041,200.80 is: 193,561,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,022,512.80 : 199,533,769.20 = 129,041,200.80 : x
  2. Step 2: Convert to fraction form
    133,022,512.80/199,533,769.20 = 129,041,200.80/x
  3. Step 3: Cross multiply
    133,022,512.80x = 199,533,769.20 × 129,041,200.80
  4. Step 4: Simplify right side
    133,022,512.80x = 25,748,077,177,718,052
  5. Step 5: Solve for x
    x = 25,748,077,177,718,052/133,022,512.80
  6. Step 6: Final answer
    x = 193,561,801.20

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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.