Home / 45,923,910.57-68,885,865.84-18,997,566.57

Finding the Fourth Proportional to 45,923,910.57, 68,885,865.84 and 18,997,566.57

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Solution

The fourth proportional to 45,923,910.57, 68,885,865.84 and 18,997,566.57 is: 28,496,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,923,910.57 : 68,885,865.84 = 18,997,566.57 : x
  2. Step 2: Convert to fraction form
    45,923,910.57/68,885,865.84 = 18,997,566.57/x
  3. Step 3: Cross multiply
    45,923,910.57x = 68,885,865.84 × 18,997,566.57
  4. Step 4: Simplify right side
    45,923,910.57x = 1,308,663,822,027,489
  5. Step 5: Solve for x
    x = 1,308,663,822,027,489/45,923,910.57
  6. Step 6: Final answer
    x = 28,496,349.85

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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.