Home / 118,673,722.30-178,010,583.45-72,757,219.90

Finding the Fourth Proportional to 118,673,722.30, 178,010,583.45 and 72,757,219.90

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Solution

The fourth proportional to 118,673,722.30, 178,010,583.45 and 72,757,219.90 is: 109,135,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,673,722.30 : 178,010,583.45 = 72,757,219.90 : x
  2. Step 2: Convert to fraction form
    118,673,722.30/178,010,583.45 = 72,757,219.90/x
  3. Step 3: Cross multiply
    118,673,722.30x = 178,010,583.45 × 72,757,219.90
  4. Step 4: Simplify right side
    118,673,722.30x = 12,951,555,164,598,950
  5. Step 5: Solve for x
    x = 12,951,555,164,598,950/118,673,722.30
  6. Step 6: Final answer
    x = 109,135,829.85

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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.