Home / 220,253,712,917.12-303,950,138,442-122,593,258,015.80

Finding the Fourth Proportional to 220,253,712,917.12, 303,950,138,442 and 122,593,258,015.80

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Solution

The fourth proportional to 220,253,712,917.12, 303,950,138,442 and 122,593,258,015.80 is: 169,178,704,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,253,712,917.12 : 303,950,138,442 = 122,593,258,015.80 : x
  2. Step 2: Convert to fraction form
    220,253,712,917.12/303,950,138,442 = 122,593,258,015.80/x
  3. Step 3: Cross multiply
    220,253,712,917.12x = 303,950,138,442 × 122,593,258,015.80
  4. Step 4: Simplify right side
    220,253,712,917.12x = 37,262,237,745,958,237,503,488
  5. Step 5: Solve for x
    x = 37,262,237,745,958,237,503,488/220,253,712,917.12
  6. Step 6: Final answer
    x = 169,178,704,197.28

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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.