Home / 80,075,606,735.40-120,113,410,103.10-21,193,644,546.60

Finding the Fourth Proportional to 80,075,606,735.40, 120,113,410,103.10 and 21,193,644,546.60

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Solution

The fourth proportional to 80,075,606,735.40, 120,113,410,103.10 and 21,193,644,546.60 is: 31,790,466,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,075,606,735.40 : 120,113,410,103.10 = 21,193,644,546.60 : x
  2. Step 2: Convert to fraction form
    80,075,606,735.40/120,113,410,103.10 = 21,193,644,546.60/x
  3. Step 3: Cross multiply
    80,075,606,735.40x = 120,113,410,103.10 × 21,193,644,546.60
  4. Step 4: Simplify right side
    80,075,606,735.40x = 2,545,640,919,005,094,477,824
  5. Step 5: Solve for x
    x = 2,545,640,919,005,094,477,824/80,075,606,735.40
  6. Step 6: Final answer
    x = 31,790,466,819.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.