Home / 86,125,021.60-129,212,415.60-25,542,205.60

Finding the Fourth Proportional to 86,125,021.60, 129,212,415.60 and 25,542,205.60

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Solution

The fourth proportional to 86,125,021.60, 129,212,415.60 and 25,542,205.60 is: 38,320,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,125,021.60 : 129,212,415.60 = 25,542,205.60 : x
  2. Step 2: Convert to fraction form
    86,125,021.60/129,212,415.60 = 25,542,205.60/x
  3. Step 3: Cross multiply
    86,125,021.60x = 129,212,415.60 × 25,542,205.60
  4. Step 4: Simplify right side
    86,125,021.60x = 3,300,370,085,327,847.50
  5. Step 5: Solve for x
    x = 3,300,370,085,327,847.50/86,125,021.60
  6. Step 6: Final answer
    x = 38,320,688.04

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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.