Home / 52,034,781.33-78,021,917.26-19,689,182.55

Finding the Fourth Proportional to 52,034,781.33, 78,021,917.26 and 19,689,182.55

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Solution

The fourth proportional to 52,034,781.33, 78,021,917.26 and 19,689,182.55 is: 29,522,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034,781.33 : 78,021,917.26 = 19,689,182.55 : x
  2. Step 2: Convert to fraction form
    52,034,781.33/78,021,917.26 = 19,689,182.55/x
  3. Step 3: Cross multiply
    52,034,781.33x = 78,021,917.26 × 19,689,182.55
  4. Step 4: Simplify right side
    52,034,781.33x = 1,536,187,771,783,912.75
  5. Step 5: Solve for x
    x = 1,536,187,771,783,912.75/52,034,781.33
  6. Step 6: Final answer
    x = 29,522,325.89

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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.