Home / 323,781,013.91-485,562,764.09-105,379,991.84

Finding the Fourth Proportional to 323,781,013.91, 485,562,764.09 and 105,379,991.84

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Solution

The fourth proportional to 323,781,013.91, 485,562,764.09 and 105,379,991.84 is: 158,034,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,781,013.91 : 485,562,764.09 = 105,379,991.84 : x
  2. Step 2: Convert to fraction form
    323,781,013.91/485,562,764.09 = 105,379,991.84/x
  3. Step 3: Cross multiply
    323,781,013.91x = 485,562,764.09 × 105,379,991.84
  4. Step 4: Simplify right side
    323,781,013.91x = 51,168,600,119,089,400
  5. Step 5: Solve for x
    x = 51,168,600,119,089,400/323,781,013.91
  6. Step 6: Final answer
    x = 158,034,591.04

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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.