Home / 133,038,285.20-199,408,128.60-75,558,093.20

Finding the Fourth Proportional to 133,038,285.20, 199,408,128.60 and 75,558,093.20

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Solution

The fourth proportional to 133,038,285.20, 199,408,128.60 and 75,558,093.20 is: 113,252,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,038,285.20 : 199,408,128.60 = 75,558,093.20 : x
  2. Step 2: Convert to fraction form
    133,038,285.20/199,408,128.60 = 75,558,093.20/x
  3. Step 3: Cross multiply
    133,038,285.20x = 199,408,128.60 × 75,558,093.20
  4. Step 4: Simplify right side
    133,038,285.20x = 15,066,897,965,596,386
  5. Step 5: Solve for x
    x = 15,066,897,965,596,386/133,038,285.20
  6. Step 6: Final answer
    x = 113,252,346.44

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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.