Home / 133,060,874.70-199,620,342.45-75,580,682.70

Finding the Fourth Proportional to 133,060,874.70, 199,620,342.45 and 75,580,682.70

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Solution

The fourth proportional to 133,060,874.70, 199,620,342.45 and 75,580,682.70 is: 113,387,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060,874.70 : 199,620,342.45 = 75,580,682.70 : x
  2. Step 2: Convert to fraction form
    133,060,874.70/199,620,342.45 = 75,580,682.70/x
  3. Step 3: Cross multiply
    133,060,874.70x = 199,620,342.45 × 75,580,682.70
  4. Step 4: Simplify right side
    133,060,874.70x = 15,087,441,763,178,790
  5. Step 5: Solve for x
    x = 15,087,441,763,178,790/133,060,874.70
  6. Step 6: Final answer
    x = 113,387,513.78

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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.