Home / 120,980,947,013.57-166,953,954,126.39-66,787,570,192.95

Finding the Fourth Proportional to 120,980,947,013.57, 166,953,954,126.39 and 66,787,570,192.95

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Solution

The fourth proportional to 120,980,947,013.57, 166,953,954,126.39 and 66,787,570,192.95 is: 92,166,983,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,980,947,013.57 : 166,953,954,126.39 = 66,787,570,192.95 : x
  2. Step 2: Convert to fraction form
    120,980,947,013.57/166,953,954,126.39 = 66,787,570,192.95/x
  3. Step 3: Cross multiply
    120,980,947,013.57x = 166,953,954,126.39 × 66,787,570,192.95
  4. Step 4: Simplify right side
    120,980,947,013.57x = 11,150,448,930,206,827,675,648
  5. Step 5: Solve for x
    x = 11,150,448,930,206,827,675,648/120,980,947,013.57
  6. Step 6: Final answer
    x = 92,166,983,359.42

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1.5x scale

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.