Home / 129,457,698.84-194,188,231.04-43,196,105.57

Finding the Fourth Proportional to 129,457,698.84, 194,188,231.04 and 43,196,105.57

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Solution

The fourth proportional to 129,457,698.84, 194,188,231.04 and 43,196,105.57 is: 64,794,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,457,698.84 : 194,188,231.04 = 43,196,105.57 : x
  2. Step 2: Convert to fraction form
    129,457,698.84/194,188,231.04 = 43,196,105.57/x
  3. Step 3: Cross multiply
    129,457,698.84x = 194,188,231.04 × 43,196,105.57
  4. Step 4: Simplify right side
    129,457,698.84x = 8,388,175,327,268,469
  5. Step 5: Solve for x
    x = 8,388,175,327,268,469/129,457,698.84
  6. Step 6: Final answer
    x = 64,794,719.84

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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.