Home / 220,109,846.60-330,295,406.70-83,809,008.20

Finding the Fourth Proportional to 220,109,846.60, 330,295,406.70 and 83,809,008.20

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Solution

The fourth proportional to 220,109,846.60, 330,295,406.70 and 83,809,008.20 is: 125,763,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109,846.60 : 330,295,406.70 = 83,809,008.20 : x
  2. Step 2: Convert to fraction form
    220,109,846.60/330,295,406.70 = 83,809,008.20/x
  3. Step 3: Cross multiply
    220,109,846.60x = 330,295,406.70 × 83,809,008.20
  4. Step 4: Simplify right side
    220,109,846.60x = 27,681,730,448,542,636
  5. Step 5: Solve for x
    x = 27,681,730,448,542,636/220,109,846.60
  6. Step 6: Final answer
    x = 125,763,253.56

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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.