Home / 308,765,865.60-426,110,790.24-185,003,883.36

Finding the Fourth Proportional to 308,765,865.60, 426,110,790.24 and 185,003,883.36

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Solution

The fourth proportional to 308,765,865.60, 426,110,790.24 and 185,003,883.36 is: 255,313,684.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,765,865.60 : 426,110,790.24 = 185,003,883.36 : x
  2. Step 2: Convert to fraction form
    308,765,865.60/426,110,790.24 = 185,003,883.36/x
  3. Step 3: Cross multiply
    308,765,865.60x = 426,110,790.24 × 185,003,883.36
  4. Step 4: Simplify right side
    308,765,865.60x = 78,832,150,935,998,400
  5. Step 5: Solve for x
    x = 78,832,150,935,998,400/308,765,865.60
  6. Step 6: Final answer
    x = 255,313,684.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.