Home / 87,004,507.56-120,032,238.62-49,814,912.30

Finding the Fourth Proportional to 87,004,507.56, 120,032,238.62 and 49,814,912.30

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Solution

The fourth proportional to 87,004,507.56, 120,032,238.62 and 49,814,912.30 is: 68,725,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004,507.56 : 120,032,238.62 = 49,814,912.30 : x
  2. Step 2: Convert to fraction form
    87,004,507.56/120,032,238.62 = 49,814,912.30/x
  3. Step 3: Cross multiply
    87,004,507.56x = 120,032,238.62 × 49,814,912.30
  4. Step 4: Simplify right side
    87,004,507.56x = 5,979,395,440,027,973
  5. Step 5: Solve for x
    x = 5,979,395,440,027,973/87,004,507.56
  6. Step 6: Final answer
    x = 68,725,122.50

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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.