Home / 37,668,160.41-51,978,035.46-21,150,100.72

Finding the Fourth Proportional to 37,668,160.41, 51,978,035.46 and 21,150,100.72

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Solution

The fourth proportional to 37,668,160.41, 51,978,035.46 and 21,150,100.72 is: 29,184,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,668,160.41 : 51,978,035.46 = 21,150,100.72 : x
  2. Step 2: Convert to fraction form
    37,668,160.41/51,978,035.46 = 21,150,100.72/x
  3. Step 3: Cross multiply
    37,668,160.41x = 51,978,035.46 × 21,150,100.72
  4. Step 4: Simplify right side
    37,668,160.41x = 1,099,340,685,206,731.50
  5. Step 5: Solve for x
    x = 1,099,340,685,206,731.50/37,668,160.41
  6. Step 6: Final answer
    x = 29,184,878.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.