Home / 85,128,665,243.92-127,693,120,762.57-34,764,099,030.09

Finding the Fourth Proportional to 85,128,665,243.92, 127,693,120,762.57 and 34,764,099,030.09

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Solution

The fourth proportional to 85,128,665,243.92, 127,693,120,762.57 and 34,764,099,030.09 is: 52,146,198,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,128,665,243.92 : 127,693,120,762.57 = 34,764,099,030.09 : x
  2. Step 2: Convert to fraction form
    85,128,665,243.92/127,693,120,762.57 = 34,764,099,030.09/x
  3. Step 3: Cross multiply
    85,128,665,243.92x = 127,693,120,762.57 × 34,764,099,030.09
  4. Step 4: Simplify right side
    85,128,665,243.92x = 4,439,136,295,650,969,780,224
  5. Step 5: Solve for x
    x = 4,439,136,295,650,969,780,224/85,128,665,243.92
  6. Step 6: Final answer
    x = 52,146,198,732.61

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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.