Home / 142,899,246.28-214,150,289.82-74,605,709.80

Finding the Fourth Proportional to 142,899,246.28, 214,150,289.82 and 74,605,709.80

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Solution

The fourth proportional to 142,899,246.28, 214,150,289.82 and 74,605,709.80 is: 111,804,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,899,246.28 : 214,150,289.82 = 74,605,709.80 : x
  2. Step 2: Convert to fraction form
    142,899,246.28/214,150,289.82 = 74,605,709.80/x
  3. Step 3: Cross multiply
    142,899,246.28x = 214,150,289.82 × 74,605,709.80
  4. Step 4: Simplify right side
    142,899,246.28x = 15,976,834,375,896,814
  5. Step 5: Solve for x
    x = 15,976,834,375,896,814/142,899,246.28
  6. Step 6: Final answer
    x = 111,804,889.05

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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.