Home / 120,068,286,245.36-180,096,086,271.22-39,383,361,519.51

Finding the Fourth Proportional to 120,068,286,245.36, 180,096,086,271.22 and 39,383,361,519.51

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Solution

The fourth proportional to 120,068,286,245.36, 180,096,086,271.22 and 39,383,361,519.51 is: 59,072,961,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,068,286,245.36 : 180,096,086,271.22 = 39,383,361,519.51 : x
  2. Step 2: Convert to fraction form
    120,068,286,245.36/180,096,086,271.22 = 39,383,361,519.51/x
  3. Step 3: Cross multiply
    120,068,286,245.36x = 180,096,086,271.22 × 39,383,361,519.51
  4. Step 4: Simplify right side
    120,068,286,245.36x = 7,092,789,273,868,859,604,992
  5. Step 5: Solve for x
    x = 7,092,789,273,868,859,604,992/120,068,286,245.36
  6. Step 6: Final answer
    x = 59,072,961,692.60

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1.5x scale

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.