Home / 322,341,325.25-483,455,891.12-103,991,667.66

Finding the Fourth Proportional to 322,341,325.25, 483,455,891.12 and 103,991,667.66

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Solution

The fourth proportional to 322,341,325.25, 483,455,891.12 and 103,991,667.66 is: 155,969,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,341,325.25 : 483,455,891.12 = 103,991,667.66 : x
  2. Step 2: Convert to fraction form
    322,341,325.25/483,455,891.12 = 103,991,667.66/x
  3. Step 3: Cross multiply
    322,341,325.25x = 483,455,891.12 × 103,991,667.66
  4. Step 4: Simplify right side
    322,341,325.25x = 50,275,384,357,100,224
  5. Step 5: Solve for x
    x = 50,275,384,357,100,224/322,341,325.25
  6. Step 6: Final answer
    x = 155,969,403.92

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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.