Home / 253,178,739.92-379,765,976.51-197,893,077.92

Finding the Fourth Proportional to 253,178,739.92, 379,765,976.51 and 197,893,077.92

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Solution

The fourth proportional to 253,178,739.92, 379,765,976.51 and 197,893,077.92 is: 296,837,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,178,739.92 : 379,765,976.51 = 197,893,077.92 : x
  2. Step 2: Convert to fraction form
    253,178,739.92/379,765,976.51 = 197,893,077.92/x
  3. Step 3: Cross multiply
    253,178,739.92x = 379,765,976.51 × 197,893,077.92
  4. Step 4: Simplify right side
    253,178,739.92x = 75,153,057,980,858,320
  5. Step 5: Solve for x
    x = 75,153,057,980,858,320/253,178,739.92
  6. Step 6: Final answer
    x = 296,837,949.37

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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.