Home / 55,002,215.20-82,377,351.60-28,044,378.40

Finding the Fourth Proportional to 55,002,215.20, 82,377,351.60 and 28,044,378.40

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Solution

The fourth proportional to 55,002,215.20, 82,377,351.60 and 28,044,378.40 is: 42,002,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,002,215.20 : 82,377,351.60 = 28,044,378.40 : x
  2. Step 2: Convert to fraction form
    55,002,215.20/82,377,351.60 = 28,044,378.40/x
  3. Step 3: Cross multiply
    55,002,215.20x = 82,377,351.60 × 28,044,378.40
  4. Step 4: Simplify right side
    55,002,215.20x = 2,310,221,619,860,245
  5. Step 5: Solve for x
    x = 2,310,221,619,860,245/55,002,215.20
  6. Step 6: Final answer
    x = 42,002,337.75

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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.