Home / 215,686,955.70-323,530,433.55-164,668,619.70

Finding the Fourth Proportional to 215,686,955.70, 323,530,433.55 and 164,668,619.70

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Solution

The fourth proportional to 215,686,955.70, 323,530,433.55 and 164,668,619.70 is: 247,002,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,686,955.70 : 323,530,433.55 = 164,668,619.70 : x
  2. Step 2: Convert to fraction form
    215,686,955.70/323,530,433.55 = 164,668,619.70/x
  3. Step 3: Cross multiply
    215,686,955.70x = 323,530,433.55 × 164,668,619.70
  4. Step 4: Simplify right side
    215,686,955.70x = 53,275,309,923,621,072
  5. Step 5: Solve for x
    x = 53,275,309,923,621,072/215,686,955.70
  6. Step 6: Final answer
    x = 247,002,929.55

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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.