Home / 262,228,298.70-393,342,448.05-80,451,857.10

Finding the Fourth Proportional to 262,228,298.70, 393,342,448.05 and 80,451,857.10

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Solution

The fourth proportional to 262,228,298.70, 393,342,448.05 and 80,451,857.10 is: 120,677,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,228,298.70 : 393,342,448.05 = 80,451,857.10 : x
  2. Step 2: Convert to fraction form
    262,228,298.70/393,342,448.05 = 80,451,857.10/x
  3. Step 3: Cross multiply
    262,228,298.70x = 393,342,448.05 × 80,451,857.10
  4. Step 4: Simplify right side
    262,228,298.70x = 31,645,130,421,882,772
  5. Step 5: Solve for x
    x = 31,645,130,421,882,772/262,228,298.70
  6. Step 6: Final answer
    x = 120,677,785.65

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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.