Home / 57,979,208.37-87,010,305.43-21,091,027.05

Finding the Fourth Proportional to 57,979,208.37, 87,010,305.43 and 21,091,027.05

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Solution

The fourth proportional to 57,979,208.37, 87,010,305.43 and 21,091,027.05 is: 31,651,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979,208.37 : 87,010,305.43 = 21,091,027.05 : x
  2. Step 2: Convert to fraction form
    57,979,208.37/87,010,305.43 = 21,091,027.05/x
  3. Step 3: Cross multiply
    57,979,208.37x = 87,010,305.43 × 21,091,027.05
  4. Step 4: Simplify right side
    57,979,208.37x = 1,835,136,705,452,892
  5. Step 5: Solve for x
    x = 1,835,136,705,452,892/57,979,208.37
  6. Step 6: Final answer
    x = 31,651,634.39

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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.