Home / 86,729,588.36-119,713,632.39-55,789,757.64

Finding the Fourth Proportional to 86,729,588.36, 119,713,632.39 and 55,789,757.64

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Solution

The fourth proportional to 86,729,588.36, 119,713,632.39 and 55,789,757.64 is: 77,007,105.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,729,588.36 : 119,713,632.39 = 55,789,757.64 : x
  2. Step 2: Convert to fraction form
    86,729,588.36/119,713,632.39 = 55,789,757.64/x
  3. Step 3: Cross multiply
    86,729,588.36x = 119,713,632.39 × 55,789,757.64
  4. Step 4: Simplify right side
    86,729,588.36x = 6,678,794,537,242,154
  5. Step 5: Solve for x
    x = 6,678,794,537,242,154/86,729,588.36
  6. Step 6: Final answer
    x = 77,007,105.23

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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.