Home / 113,171,144.40-169,756,716.60-106,474,987.80

Finding the Fourth Proportional to 113,171,144.40, 169,756,716.60 and 106,474,987.80

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Solution

The fourth proportional to 113,171,144.40, 169,756,716.60 and 106,474,987.80 is: 159,712,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,171,144.40 : 169,756,716.60 = 106,474,987.80 : x
  2. Step 2: Convert to fraction form
    113,171,144.40/169,756,716.60 = 106,474,987.80/x
  3. Step 3: Cross multiply
    113,171,144.40x = 169,756,716.60 × 106,474,987.80
  4. Step 4: Simplify right side
    113,171,144.40x = 18,074,844,328,953,056
  5. Step 5: Solve for x
    x = 18,074,844,328,953,056/113,171,144.40
  6. Step 6: Final answer
    x = 159,712,481.70

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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.