Home / 330,028,411.70-495,042,709.28-122,739,738.48

Finding the Fourth Proportional to 330,028,411.70, 495,042,709.28 and 122,739,738.48

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Solution

The fourth proportional to 330,028,411.70, 495,042,709.28 and 122,739,738.48 is: 184,109,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,028,411.70 : 495,042,709.28 = 122,739,738.48 : x
  2. Step 2: Convert to fraction form
    330,028,411.70/495,042,709.28 = 122,739,738.48/x
  3. Step 3: Cross multiply
    330,028,411.70x = 495,042,709.28 × 122,739,738.48
  4. Step 4: Simplify right side
    330,028,411.70x = 60,761,412,673,457,864
  5. Step 5: Solve for x
    x = 60,761,412,673,457,864/330,028,411.70
  6. Step 6: Final answer
    x = 184,109,641.83

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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.