Home / 135,679,860.12-203,513,054.83-43,568,107.59

Finding the Fourth Proportional to 135,679,860.12, 203,513,054.83 and 43,568,107.59

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Solution

The fourth proportional to 135,679,860.12, 203,513,054.83 and 43,568,107.59 is: 65,349,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,679,860.12 : 203,513,054.83 = 43,568,107.59 : x
  2. Step 2: Convert to fraction form
    135,679,860.12/203,513,054.83 = 43,568,107.59/x
  3. Step 3: Cross multiply
    135,679,860.12x = 203,513,054.83 × 43,568,107.59
  4. Step 4: Simplify right side
    135,679,860.12x = 8,866,678,668,803,010
  5. Step 5: Solve for x
    x = 8,866,678,668,803,010/135,679,860.12
  6. Step 6: Final answer
    x = 65,349,998.60

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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.