Home / 133,038,287.20-199,408,131.60-75,558,095.20

Finding the Fourth Proportional to 133,038,287.20, 199,408,131.60 and 75,558,095.20

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Solution

The fourth proportional to 133,038,287.20, 199,408,131.60 and 75,558,095.20 is: 113,252,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,038,287.20 : 199,408,131.60 = 75,558,095.20 : x
  2. Step 2: Convert to fraction form
    133,038,287.20/199,408,131.60 = 75,558,095.20/x
  3. Step 3: Cross multiply
    133,038,287.20x = 199,408,131.60 × 75,558,095.20
  4. Step 4: Simplify right side
    133,038,287.20x = 15,066,898,591,086,928
  5. Step 5: Solve for x
    x = 15,066,898,591,086,928/133,038,287.20
  6. Step 6: Final answer
    x = 113,252,349.44

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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.