Home / 122,079,503-168,428,047.74-75,652,817.24

Finding the Fourth Proportional to 122,079,503, 168,428,047.74 and 75,652,817.24

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Solution

The fourth proportional to 122,079,503, 168,428,047.74 and 75,652,817.24 is: 104,375,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,079,503 : 168,428,047.74 = 75,652,817.24 : x
  2. Step 2: Convert to fraction form
    122,079,503/168,428,047.74 = 75,652,817.24/x
  3. Step 3: Cross multiply
    122,079,503x = 168,428,047.74 × 75,652,817.24
  4. Step 4: Simplify right side
    122,079,503x = 12,742,056,313,764,214
  5. Step 5: Solve for x
    x = 12,742,056,313,764,214/122,079,503
  6. Step 6: Final answer
    x = 104,375,067.07

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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.