Home / 80,002,847.70-120,004,271.55-54,174,815.10

Finding the Fourth Proportional to 80,002,847.70, 120,004,271.55 and 54,174,815.10

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Solution

The fourth proportional to 80,002,847.70, 120,004,271.55 and 54,174,815.10 is: 81,262,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,002,847.70 : 120,004,271.55 = 54,174,815.10 : x
  2. Step 2: Convert to fraction form
    80,002,847.70/120,004,271.55 = 54,174,815.10/x
  3. Step 3: Cross multiply
    80,002,847.70x = 120,004,271.55 × 54,174,815.10
  4. Step 4: Simplify right side
    80,002,847.70x = 6,501,209,222,431,440
  5. Step 5: Solve for x
    x = 6,501,209,222,431,440/80,002,847.70
  6. Step 6: Final answer
    x = 81,262,222.65

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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.