Home / 135,960,571.60-204,001,131.12-71,248,991.20

Finding the Fourth Proportional to 135,960,571.60, 204,001,131.12 and 71,248,991.20

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Solution

The fourth proportional to 135,960,571.60, 204,001,131.12 and 71,248,991.20 is: 106,905,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,960,571.60 : 204,001,131.12 = 71,248,991.20 : x
  2. Step 2: Convert to fraction form
    135,960,571.60/204,001,131.12 = 71,248,991.20/x
  3. Step 3: Cross multiply
    135,960,571.60x = 204,001,131.12 × 71,248,991.20
  4. Step 4: Simplify right side
    135,960,571.60x = 14,534,874,795,958,928
  5. Step 5: Solve for x
    x = 14,534,874,795,958,928/135,960,571.60
  6. Step 6: Final answer
    x = 106,905,072.73

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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.