Home / 115,308,115.38-159,125,197.59-63,097,149.51

Finding the Fourth Proportional to 115,308,115.38, 159,125,197.59 and 63,097,149.51

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Solution

The fourth proportional to 115,308,115.38, 159,125,197.59 and 63,097,149.51 is: 87,074,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,308,115.38 : 159,125,197.59 = 63,097,149.51 : x
  2. Step 2: Convert to fraction form
    115,308,115.38/159,125,197.59 = 63,097,149.51/x
  3. Step 3: Cross multiply
    115,308,115.38x = 159,125,197.59 × 63,097,149.51
  4. Step 4: Simplify right side
    115,308,115.38x = 10,040,346,383,144,522
  5. Step 5: Solve for x
    x = 10,040,346,383,144,522/115,308,115.38
  6. Step 6: Final answer
    x = 87,074,065.43

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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.