Home / 187,485,756.24-258,741,009.06-104,978,819.28

Finding the Fourth Proportional to 187,485,756.24, 258,741,009.06 and 104,978,819.28

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Solution

The fourth proportional to 187,485,756.24, 258,741,009.06 and 104,978,819.28 is: 144,876,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,485,756.24 : 258,741,009.06 = 104,978,819.28 : x
  2. Step 2: Convert to fraction form
    187,485,756.24/258,741,009.06 = 104,978,819.28/x
  3. Step 3: Cross multiply
    187,485,756.24x = 258,741,009.06 × 104,978,819.28
  4. Step 4: Simplify right side
    187,485,756.24x = 27,162,325,630,434,584
  5. Step 5: Solve for x
    x = 27,162,325,630,434,584/187,485,756.24
  6. Step 6: Final answer
    x = 144,876,742.51

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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.