Home / 55,027,271.20-82,540,906.80-54,176,965.60

Finding the Fourth Proportional to 55,027,271.20, 82,540,906.80 and 54,176,965.60

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Solution

The fourth proportional to 55,027,271.20, 82,540,906.80 and 54,176,965.60 is: 81,265,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027,271.20 : 82,540,906.80 = 54,176,965.60 : x
  2. Step 2: Convert to fraction form
    55,027,271.20/82,540,906.80 = 54,176,965.60/x
  3. Step 3: Cross multiply
    55,027,271.20x = 82,540,906.80 × 54,176,965.60
  4. Step 4: Simplify right side
    55,027,271.20x = 4,471,815,868,296,406
  5. Step 5: Solve for x
    x = 4,471,815,868,296,406/55,027,271.20
  6. Step 6: Final answer
    x = 81,265,448.40

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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.