Home / 81,765,985,607.20-122,648,978,410.80-35,237,263,175.20

Finding the Fourth Proportional to 81,765,985,607.20, 122,648,978,410.80 and 35,237,263,175.20

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Solution

The fourth proportional to 81,765,985,607.20, 122,648,978,410.80 and 35,237,263,175.20 is: 52,855,894,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,765,985,607.20 : 122,648,978,410.80 = 35,237,263,175.20 : x
  2. Step 2: Convert to fraction form
    81,765,985,607.20/122,648,978,410.80 = 35,237,263,175.20/x
  3. Step 3: Cross multiply
    81,765,985,607.20x = 122,648,978,410.80 × 35,237,263,175.20
  4. Step 4: Simplify right side
    81,765,985,607.20x = 4,321,814,330,430,782,439,424
  5. Step 5: Solve for x
    x = 4,321,814,330,430,782,439,424/81,765,985,607.20
  6. Step 6: Final answer
    x = 52,855,894,762.80

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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.