Home / 219,884,171.70-329,826,257.55-155,386,917.30

Finding the Fourth Proportional to 219,884,171.70, 329,826,257.55 and 155,386,917.30

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Solution

The fourth proportional to 219,884,171.70, 329,826,257.55 and 155,386,917.30 is: 233,080,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,884,171.70 : 329,826,257.55 = 155,386,917.30 : x
  2. Step 2: Convert to fraction form
    219,884,171.70/329,826,257.55 = 155,386,917.30/x
  3. Step 3: Cross multiply
    219,884,171.70x = 329,826,257.55 × 155,386,917.30
  4. Step 4: Simplify right side
    219,884,171.70x = 51,250,685,405,290,360
  5. Step 5: Solve for x
    x = 51,250,685,405,290,360/219,884,171.70
  6. Step 6: Final answer
    x = 233,080,375.95

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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.