Home / 87,610,034.64-120,888,415.56-50,433,131.79

Finding the Fourth Proportional to 87,610,034.64, 120,888,415.56 and 50,433,131.79

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Solution

The fourth proportional to 87,610,034.64, 120,888,415.56 and 50,433,131.79 is: 69,589,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,610,034.64 : 120,888,415.56 = 50,433,131.79 : x
  2. Step 2: Convert to fraction form
    87,610,034.64/120,888,415.56 = 50,433,131.79/x
  3. Step 3: Cross multiply
    87,610,034.64x = 120,888,415.56 × 50,433,131.79
  4. Step 4: Simplify right side
    87,610,034.64x = 6,096,781,393,821,767
  5. Step 5: Solve for x
    x = 6,096,781,393,821,767/87,610,034.64
  6. Step 6: Final answer
    x = 69,589,989.54

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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.