Home / 323,781,011.66-485,562,760.72-105,379,989.59

Finding the Fourth Proportional to 323,781,011.66, 485,562,760.72 and 105,379,989.59

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Solution

The fourth proportional to 323,781,011.66, 485,562,760.72 and 105,379,989.59 is: 158,034,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,781,011.66 : 485,562,760.72 = 105,379,989.59 : x
  2. Step 2: Convert to fraction form
    323,781,011.66/485,562,760.72 = 105,379,989.59/x
  3. Step 3: Cross multiply
    323,781,011.66x = 485,562,760.72 × 105,379,989.59
  4. Step 4: Simplify right side
    323,781,011.66x = 51,168,598,670,915,712
  5. Step 5: Solve for x
    x = 51,168,598,670,915,712/323,781,011.66
  6. Step 6: Final answer
    x = 158,034,587.66

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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.