Home / 220,048,447.76-330,083,635.80-83,744,395.28

Finding the Fourth Proportional to 220,048,447.76, 330,083,635.80 and 83,744,395.28

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Solution

The fourth proportional to 220,048,447.76, 330,083,635.80 and 83,744,395.28 is: 125,620,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,048,447.76 : 330,083,635.80 = 83,744,395.28 : x
  2. Step 2: Convert to fraction form
    220,048,447.76/330,083,635.80 = 83,744,395.28/x
  3. Step 3: Cross multiply
    220,048,447.76x = 330,083,635.80 × 83,744,395.28
  4. Step 4: Simplify right side
    220,048,447.76x = 27,642,654,471,894,760
  5. Step 5: Solve for x
    x = 27,642,654,471,894,760/220,048,447.76
  6. Step 6: Final answer
    x = 125,620,765.58

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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.