Home / 54,510,146.55-81,723,310.90-28,220,800.10

Finding the Fourth Proportional to 54,510,146.55, 81,723,310.90 and 28,220,800.10

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Solution

The fourth proportional to 54,510,146.55, 81,723,310.90 and 28,220,800.10 is: 42,309,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,510,146.55 : 81,723,310.90 = 28,220,800.10 : x
  2. Step 2: Convert to fraction form
    54,510,146.55/81,723,310.90 = 28,220,800.10/x
  3. Step 3: Cross multiply
    54,510,146.55x = 81,723,310.90 × 28,220,800.10
  4. Step 4: Simplify right side
    54,510,146.55x = 2,306,297,219,939,882.50
  5. Step 5: Solve for x
    x = 2,306,297,219,939,882.50/54,510,146.55
  6. Step 6: Final answer
    x = 42,309,503.20

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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.