Home / 85,128,665,246.42-127,693,120,766.32-34,764,099,032.59

Finding the Fourth Proportional to 85,128,665,246.42, 127,693,120,766.32 and 34,764,099,032.59

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Solution

The fourth proportional to 85,128,665,246.42, 127,693,120,766.32 and 34,764,099,032.59 is: 52,146,198,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,128,665,246.42 : 127,693,120,766.32 = 34,764,099,032.59 : x
  2. Step 2: Convert to fraction form
    85,128,665,246.42/127,693,120,766.32 = 34,764,099,032.59/x
  3. Step 3: Cross multiply
    85,128,665,246.42x = 127,693,120,766.32 × 34,764,099,032.59
  4. Step 4: Simplify right side
    85,128,665,246.42x = 4,439,136,296,100,823,040,000
  5. Step 5: Solve for x
    x = 4,439,136,296,100,823,040,000/85,128,665,246.42
  6. Step 6: Final answer
    x = 52,146,198,736.36

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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.