Home / 149,492,759.60-223,813,986.60-115,197,100.40

Finding the Fourth Proportional to 149,492,759.60, 223,813,986.60 and 115,197,100.40

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Solution

The fourth proportional to 149,492,759.60, 223,813,986.60 and 115,197,100.40 is: 172,468,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,492,759.60 : 223,813,986.60 = 115,197,100.40 : x
  2. Step 2: Convert to fraction form
    149,492,759.60/223,813,986.60 = 115,197,100.40/x
  3. Step 3: Cross multiply
    149,492,759.60x = 223,813,986.60 × 115,197,100.40
  4. Step 4: Simplify right side
    149,492,759.60x = 25,782,722,285,284,456
  5. Step 5: Solve for x
    x = 25,782,722,285,284,456/149,492,759.60
  6. Step 6: Final answer
    x = 172,468,033.60

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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.