Home / 379,094,318.88-568,641,479.76-91,879,982.88

Finding the Fourth Proportional to 379,094,318.88, 568,641,479.76 and 91,879,982.88

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Solution

The fourth proportional to 379,094,318.88, 568,641,479.76 and 91,879,982.88 is: 137,819,974.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,094,318.88 : 568,641,479.76 = 91,879,982.88 : x
  2. Step 2: Convert to fraction form
    379,094,318.88/568,641,479.76 = 91,879,982.88/x
  3. Step 3: Cross multiply
    379,094,318.88x = 568,641,479.76 × 91,879,982.88
  4. Step 4: Simplify right side
    379,094,318.88x = 52,246,769,425,206,664
  5. Step 5: Solve for x
    x = 52,246,769,425,206,664/379,094,318.88
  6. Step 6: Final answer
    x = 137,819,974.67

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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.