Home / 67,294,033.12-100,941,858.60-18,768,933.28

Finding the Fourth Proportional to 67,294,033.12, 100,941,858.60 and 18,768,933.28

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Solution

The fourth proportional to 67,294,033.12, 100,941,858.60 and 18,768,933.28 is: 28,153,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,294,033.12 : 100,941,858.60 = 18,768,933.28 : x
  2. Step 2: Convert to fraction form
    67,294,033.12/100,941,858.60 = 18,768,933.28/x
  3. Step 3: Cross multiply
    67,294,033.12x = 100,941,858.60 × 18,768,933.28
  4. Step 4: Simplify right side
    67,294,033.12x = 1,894,571,009,222,594.25
  5. Step 5: Solve for x
    x = 1,894,571,009,222,594.25/67,294,033.12
  6. Step 6: Final answer
    x = 28,153,625.54

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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.