Home / 254,976,693.54-381,673,331.72-138,101,767.62

Finding the Fourth Proportional to 254,976,693.54, 381,673,331.72 and 138,101,767.62

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Solution

The fourth proportional to 254,976,693.54, 381,673,331.72 and 138,101,767.62 is: 206,723,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,976,693.54 : 381,673,331.72 = 138,101,767.62 : x
  2. Step 2: Convert to fraction form
    254,976,693.54/381,673,331.72 = 138,101,767.62/x
  3. Step 3: Cross multiply
    254,976,693.54x = 381,673,331.72 × 138,101,767.62
  4. Step 4: Simplify right side
    254,976,693.54x = 52,709,761,763,946,624
  5. Step 5: Solve for x
    x = 52,709,761,763,946,624/254,976,693.54
  6. Step 6: Final answer
    x = 206,723,842.22

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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.