Home / 279,581,709.97-419,281,283.22-92,785,471.57

Finding the Fourth Proportional to 279,581,709.97, 419,281,283.22 and 92,785,471.57

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Solution

The fourth proportional to 279,581,709.97, 419,281,283.22 and 92,785,471.57 is: 139,147,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,581,709.97 : 419,281,283.22 = 92,785,471.57 : x
  2. Step 2: Convert to fraction form
    279,581,709.97/419,281,283.22 = 92,785,471.57/x
  3. Step 3: Cross multiply
    279,581,709.97x = 419,281,283.22 × 92,785,471.57
  4. Step 4: Simplify right side
    279,581,709.97x = 38,903,211,584,042,424
  5. Step 5: Solve for x
    x = 38,903,211,584,042,424/279,581,709.97
  6. Step 6: Final answer
    x = 139,147,913.46

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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.