Home / 80,129,493,203.40-120,194,239,805.10-56,620,243,974.60

Finding the Fourth Proportional to 80,129,493,203.40, 120,194,239,805.10 and 56,620,243,974.60

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Solution

The fourth proportional to 80,129,493,203.40, 120,194,239,805.10 and 56,620,243,974.60 is: 84,930,365,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,129,493,203.40 : 120,194,239,805.10 = 56,620,243,974.60 : x
  2. Step 2: Convert to fraction form
    80,129,493,203.40/120,194,239,805.10 = 56,620,243,974.60/x
  3. Step 3: Cross multiply
    80,129,493,203.40x = 120,194,239,805.10 × 56,620,243,974.60
  4. Step 4: Simplify right side
    80,129,493,203.40x = 6,805,427,182,106,341,015,552
  5. Step 5: Solve for x
    x = 6,805,427,182,106,341,015,552/80,129,493,203.40
  6. Step 6: Final answer
    x = 84,930,365,961.90

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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.