Home / 234,230,856.30-322,835,119.56-155,774,221.47

Finding the Fourth Proportional to 234,230,856.30, 322,835,119.56 and 155,774,221.47

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Solution

The fourth proportional to 234,230,856.30, 322,835,119.56 and 155,774,221.47 is: 214,700,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230,856.30 : 322,835,119.56 = 155,774,221.47 : x
  2. Step 2: Convert to fraction form
    234,230,856.30/322,835,119.56 = 155,774,221.47/x
  3. Step 3: Cross multiply
    234,230,856.30x = 322,835,119.56 × 155,774,221.47
  4. Step 4: Simplify right side
    234,230,856.30x = 50,289,389,412,633,368
  5. Step 5: Solve for x
    x = 50,289,389,412,633,368/234,230,856.30
  6. Step 6: Final answer
    x = 214,700,104.88

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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.