Home / 85,128,665,243.40-127,693,120,761.80-34,764,099,029.58

Finding the Fourth Proportional to 85,128,665,243.40, 127,693,120,761.80 and 34,764,099,029.58

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Solution

The fourth proportional to 85,128,665,243.40, 127,693,120,761.80 and 34,764,099,029.58 is: 52,146,198,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,128,665,243.40 : 127,693,120,761.80 = 34,764,099,029.58 : x
  2. Step 2: Convert to fraction form
    85,128,665,243.40/127,693,120,761.80 = 34,764,099,029.58/x
  3. Step 3: Cross multiply
    85,128,665,243.40x = 127,693,120,761.80 × 34,764,099,029.58
  4. Step 4: Simplify right side
    85,128,665,243.40x = 4,439,136,295,558,694,567,936
  5. Step 5: Solve for x
    x = 4,439,136,295,558,694,567,936/85,128,665,243.40
  6. Step 6: Final answer
    x = 52,146,198,731.84

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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.