Home / 279,581,749.54-419,281,350.54-92,785,515.54

Finding the Fourth Proportional to 279,581,749.54, 419,281,350.54 and 92,785,515.54

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Solution

The fourth proportional to 279,581,749.54, 419,281,350.54 and 92,785,515.54 is: 139,147,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,581,749.54 : 419,281,350.54 = 92,785,515.54 : x
  2. Step 2: Convert to fraction form
    279,581,749.54/419,281,350.54 = 92,785,515.54/x
  3. Step 3: Cross multiply
    279,581,749.54x = 419,281,350.54 × 92,785,515.54
  4. Step 4: Simplify right side
    279,581,749.54x = 38,903,236,266,161,360
  5. Step 5: Solve for x
    x = 38,903,236,266,161,360/279,581,749.54
  6. Step 6: Final answer
    x = 139,147,982.05

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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.