Home / 180,505,454.94-249,331,190.72-149,269,673.88

Finding the Fourth Proportional to 180,505,454.94, 249,331,190.72 and 149,269,673.88

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Solution

The fourth proportional to 180,505,454.94, 249,331,190.72 and 149,269,673.88 is: 206,185,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,505,454.94 : 249,331,190.72 = 149,269,673.88 : x
  2. Step 2: Convert to fraction form
    180,505,454.94/249,331,190.72 = 149,269,673.88/x
  3. Step 3: Cross multiply
    180,505,454.94x = 249,331,190.72 × 149,269,673.88
  4. Step 4: Simplify right side
    180,505,454.94x = 37,217,585,526,140,136
  5. Step 5: Solve for x
    x = 37,217,585,526,140,136/180,505,454.94
  6. Step 6: Final answer
    x = 206,185,378.38

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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.