Home / 135,940,421.80-203,910,632.70-122,335,532.20

Finding the Fourth Proportional to 135,940,421.80, 203,910,632.70 and 122,335,532.20

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Solution

The fourth proportional to 135,940,421.80, 203,910,632.70 and 122,335,532.20 is: 183,503,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,940,421.80 : 203,910,632.70 = 122,335,532.20 : x
  2. Step 2: Convert to fraction form
    135,940,421.80/203,910,632.70 = 122,335,532.20/x
  3. Step 3: Cross multiply
    135,940,421.80x = 203,910,632.70 × 122,335,532.20
  4. Step 4: Simplify right side
    135,940,421.80x = 24,945,515,772,593,224
  5. Step 5: Solve for x
    x = 24,945,515,772,593,224/135,940,421.80
  6. Step 6: Final answer
    x = 183,503,298.30

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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.