Home / 111,451,581.78-167,197,457.49-45,861,133.56

Finding the Fourth Proportional to 111,451,581.78, 167,197,457.49 and 45,861,133.56

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Solution

The fourth proportional to 111,451,581.78, 167,197,457.49 and 45,861,133.56 is: 68,799,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,451,581.78 : 167,197,457.49 = 45,861,133.56 : x
  2. Step 2: Convert to fraction form
    111,451,581.78/167,197,457.49 = 45,861,133.56/x
  3. Step 3: Cross multiply
    111,451,581.78x = 167,197,457.49 × 45,861,133.56
  4. Step 4: Simplify right side
    111,451,581.78x = 7,667,864,928,841,313
  5. Step 5: Solve for x
    x = 7,667,864,928,841,313/111,451,581.78
  6. Step 6: Final answer
    x = 68,799,965.03

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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.