Home / 85,128,665,234.31-127,693,120,748.19-34,764,099,020.54

Finding the Fourth Proportional to 85,128,665,234.31, 127,693,120,748.19 and 34,764,099,020.54

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Solution

The fourth proportional to 85,128,665,234.31, 127,693,120,748.19 and 34,764,099,020.54 is: 52,146,198,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,128,665,234.31 : 127,693,120,748.19 = 34,764,099,020.54 : x
  2. Step 2: Convert to fraction form
    85,128,665,234.31/127,693,120,748.19 = 34,764,099,020.54/x
  3. Step 3: Cross multiply
    85,128,665,234.31x = 127,693,120,748.19 × 34,764,099,020.54
  4. Step 4: Simplify right side
    85,128,665,234.31x = 4,439,136,293,931,210,244,096
  5. Step 5: Solve for x
    x = 4,439,136,293,931,210,244,096/85,128,665,234.31
  6. Step 6: Final answer
    x = 52,146,198,718.29

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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.