Home / 85,128,665,235.59-127,693,120,750.13-34,764,099,021.82

Finding the Fourth Proportional to 85,128,665,235.59, 127,693,120,750.13 and 34,764,099,021.82

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Solution

The fourth proportional to 85,128,665,235.59, 127,693,120,750.13 and 34,764,099,021.82 is: 52,146,198,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,128,665,235.59 : 127,693,120,750.13 = 34,764,099,021.82 : x
  2. Step 2: Convert to fraction form
    85,128,665,235.59/127,693,120,750.13 = 34,764,099,021.82/x
  3. Step 3: Cross multiply
    85,128,665,235.59x = 127,693,120,750.13 × 34,764,099,021.82
  4. Step 4: Simplify right side
    85,128,665,235.59x = 4,439,136,294,163,120,652,288
  5. Step 5: Solve for x
    x = 4,439,136,294,163,120,652,288/85,128,665,235.59
  6. Step 6: Final answer
    x = 52,146,198,720.23

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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.