Home / 99,400,627.20-149,100,940.80-26,628,639.60

Finding the Fourth Proportional to 99,400,627.20, 149,100,940.80 and 26,628,639.60

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Solution

The fourth proportional to 99,400,627.20, 149,100,940.80 and 26,628,639.60 is: 39,942,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,400,627.20 : 149,100,940.80 = 26,628,639.60 : x
  2. Step 2: Convert to fraction form
    99,400,627.20/149,100,940.80 = 26,628,639.60/x
  3. Step 3: Cross multiply
    99,400,627.20x = 149,100,940.80 × 26,628,639.60
  4. Step 4: Simplify right side
    99,400,627.20x = 3,970,355,216,584,136
  5. Step 5: Solve for x
    x = 3,970,355,216,584,136/99,400,627.20
  6. Step 6: Final answer
    x = 39,942,959.40

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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.