Home / 53,815,000.20-80,722,500.30-50,980,648.20

Finding the Fourth Proportional to 53,815,000.20, 80,722,500.30 and 50,980,648.20

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Solution

The fourth proportional to 53,815,000.20, 80,722,500.30 and 50,980,648.20 is: 76,470,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,815,000.20 : 80,722,500.30 = 50,980,648.20 : x
  2. Step 2: Convert to fraction form
    53,815,000.20/80,722,500.30 = 50,980,648.20/x
  3. Step 3: Cross multiply
    53,815,000.20x = 80,722,500.30 × 50,980,648.20
  4. Step 4: Simplify right side
    53,815,000.20x = 4,115,285,389,618,694.50
  5. Step 5: Solve for x
    x = 4,115,285,389,618,694.50/53,815,000.20
  6. Step 6: Final answer
    x = 76,470,972.30

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1.5x scale

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.