Home / 57,856,921.65-86,780,067.84-19,518,767.91

Finding the Fourth Proportional to 57,856,921.65, 86,780,067.84 and 19,518,767.91

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Solution

The fourth proportional to 57,856,921.65, 86,780,067.84 and 19,518,767.91 is: 29,276,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,856,921.65 : 86,780,067.84 = 19,518,767.91 : x
  2. Step 2: Convert to fraction form
    57,856,921.65/86,780,067.84 = 19,518,767.91/x
  3. Step 3: Cross multiply
    57,856,921.65x = 86,780,067.84 × 19,518,767.91
  4. Step 4: Simplify right side
    57,856,921.65x = 1,693,840,003,383,015
  5. Step 5: Solve for x
    x = 1,693,840,003,383,015/57,856,921.65
  6. Step 6: Final answer
    x = 29,276,358.91

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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.