Home / 256,166,203.92-353,505,141.37-138,690,594.96

Finding the Fourth Proportional to 256,166,203.92, 353,505,141.37 and 138,690,594.96

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Solution

The fourth proportional to 256,166,203.92, 353,505,141.37 and 138,690,594.96 is: 191,390,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,166,203.92 : 353,505,141.37 = 138,690,594.96 : x
  2. Step 2: Convert to fraction form
    256,166,203.92/353,505,141.37 = 138,690,594.96/x
  3. Step 3: Cross multiply
    256,166,203.92x = 353,505,141.37 × 138,690,594.96
  4. Step 4: Simplify right side
    256,166,203.92x = 49,027,838,378,024,216
  5. Step 5: Solve for x
    x = 49,027,838,378,024,216/256,166,203.92
  6. Step 6: Final answer
    x = 191,390,736.28

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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.