Home / 257,964,003.32-386,917,027.65-71,244,491.09

Finding the Fourth Proportional to 257,964,003.32, 386,917,027.65 and 71,244,491.09

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Solution

The fourth proportional to 257,964,003.32, 386,917,027.65 and 71,244,491.09 is: 106,858,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,964,003.32 : 386,917,027.65 = 71,244,491.09 : x
  2. Step 2: Convert to fraction form
    257,964,003.32/386,917,027.65 = 71,244,491.09/x
  3. Step 3: Cross multiply
    257,964,003.32x = 386,917,027.65 × 71,244,491.09
  4. Step 4: Simplify right side
    257,964,003.32x = 27,565,706,727,045,120
  5. Step 5: Solve for x
    x = 27,565,706,727,045,120/257,964,003.32
  6. Step 6: Final answer
    x = 106,858,733.67

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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.