Home / 255,914,481.92-353,153,201.28-145,941,589.76

Finding the Fourth Proportional to 255,914,481.92, 353,153,201.28 and 145,941,589.76

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Solution

The fourth proportional to 255,914,481.92, 353,153,201.28 and 145,941,589.76 is: 201,394,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,914,481.92 : 353,153,201.28 = 145,941,589.76 : x
  2. Step 2: Convert to fraction form
    255,914,481.92/353,153,201.28 = 145,941,589.76/x
  3. Step 3: Cross multiply
    255,914,481.92x = 353,153,201.28 × 145,941,589.76
  4. Step 4: Simplify right side
    255,914,481.92x = 51,539,739,623,636,456
  5. Step 5: Solve for x
    x = 51,539,739,623,636,456/255,914,481.92
  6. Step 6: Final answer
    x = 201,394,384.71

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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.