Home / 139,519,342.89-192,535,165.22-76,794,099.75

Finding the Fourth Proportional to 139,519,342.89, 192,535,165.22 and 76,794,099.75

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Solution

The fourth proportional to 139,519,342.89, 192,535,165.22 and 76,794,099.75 is: 105,975,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519,342.89 : 192,535,165.22 = 76,794,099.75 : x
  2. Step 2: Convert to fraction form
    139,519,342.89/192,535,165.22 = 76,794,099.75/x
  3. Step 3: Cross multiply
    139,519,342.89x = 192,535,165.22 × 76,794,099.75
  4. Step 4: Simplify right side
    139,519,342.89x = 14,785,564,682,903,440
  5. Step 5: Solve for x
    x = 14,785,564,682,903,440/139,519,342.89
  6. Step 6: Final answer
    x = 105,975,016.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.