Home / 55,288,067.60-82,969,426.20-36,072,016.40

Finding the Fourth Proportional to 55,288,067.60, 82,969,426.20 and 36,072,016.40

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Solution

The fourth proportional to 55,288,067.60, 82,969,426.20 and 36,072,016.40 is: 54,132,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288,067.60 : 82,969,426.20 = 36,072,016.40 : x
  2. Step 2: Convert to fraction form
    55,288,067.60/82,969,426.20 = 36,072,016.40/x
  3. Step 3: Cross multiply
    55,288,067.60x = 82,969,426.20 × 36,072,016.40
  4. Step 4: Simplify right side
    55,288,067.60x = 2,992,874,502,584,989.50
  5. Step 5: Solve for x
    x = 2,992,874,502,584,989.50/55,288,067.60
  6. Step 6: Final answer
    x = 54,132,376.70

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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.