Home / 220,043,829.80-330,278,321.10-133,950,387.80

Finding the Fourth Proportional to 220,043,829.80, 330,278,321.10 and 133,950,387.80

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Solution

The fourth proportional to 220,043,829.80, 330,278,321.10 and 133,950,387.80 is: 201,054,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,043,829.80 : 330,278,321.10 = 133,950,387.80 : x
  2. Step 2: Convert to fraction form
    220,043,829.80/330,278,321.10 = 133,950,387.80/x
  3. Step 3: Cross multiply
    220,043,829.80x = 330,278,321.10 × 133,950,387.80
  4. Step 4: Simplify right side
    220,043,829.80x = 44,240,909,193,277,928
  5. Step 5: Solve for x
    x = 44,240,909,193,277,928/220,043,829.80
  6. Step 6: Final answer
    x = 201,054,986.33

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1.5x scale

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.