Home / 127,489,874,785.24-175,872,481,280.46-76,012,129,298.39

Finding the Fourth Proportional to 127,489,874,785.24, 175,872,481,280.46 and 76,012,129,298.39

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Solution

The fourth proportional to 127,489,874,785.24, 175,872,481,280.46 and 76,012,129,298.39 is: 104,858,851,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,489,874,785.24 : 175,872,481,280.46 = 76,012,129,298.39 : x
  2. Step 2: Convert to fraction form
    127,489,874,785.24/175,872,481,280.46 = 76,012,129,298.39/x
  3. Step 3: Cross multiply
    127,489,874,785.24x = 175,872,481,280.46 × 76,012,129,298.39
  4. Step 4: Simplify right side
    127,489,874,785.24x = 13,368,441,787,118,119,813,120
  5. Step 5: Solve for x
    x = 13,368,441,787,118,119,813,120/127,489,874,785.24
  6. Step 6: Final answer
    x = 104,858,851,023.56

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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.