Home / 387,951,581.73-582,004,032.48-142,310,497.35

Finding the Fourth Proportional to 387,951,581.73, 582,004,032.48 and 142,310,497.35

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Solution

The fourth proportional to 387,951,581.73, 582,004,032.48 and 142,310,497.35 is: 213,493,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,951,581.73 : 582,004,032.48 = 142,310,497.35 : x
  2. Step 2: Convert to fraction form
    387,951,581.73/582,004,032.48 = 142,310,497.35/x
  3. Step 3: Cross multiply
    387,951,581.73x = 582,004,032.48 × 142,310,497.35
  4. Step 4: Simplify right side
    387,951,581.73x = 82,825,283,321,934,352
  5. Step 5: Solve for x
    x = 82,825,283,321,934,352/387,951,581.73
  6. Step 6: Final answer
    x = 213,493,866.82

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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.